/* Mission Critical X public site. Same rules as the admin panel (app.css): system fonts, no
   external resources, strict CSP (no inline styles or scripts). */

:root {
  --bg: #ffffff;
  --bg-alt: #f4f6f9;
  --surface: #ffffff;
  --border: #e3e8ef;
  --text: #111827;
  --text-2: #4b5563;
  --text-3: #6b7280;
  --accent: #1d4ed8;
  --accent-2: #1e40af;
  --accent-soft: #e8efff;
  --on-accent: #ffffff;
  --ptt: #1d4ed8;
  --ptt-soft: #e8efff;
  --data: #0f766e;
  --data-soft: #e2f5f2;
  --video: #7e22ce;
  --video-soft: #f3e8ff;
  --danger: #dc2626;
  --ok: #16a34a;
  --night: #0c1729;
  --night-2: #14233b;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 4px 14px rgba(16, 24, 40, .06);
  --shadow-lg: 0 24px 60px rgba(4, 10, 25, .35);
  --radius: 14px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1220;
    --bg-alt: #0f1727;
    --surface: #111a2b;
    --border: #22304a;
    --text: #e6ebf3;
    --text-2: #b4bfd0;
    --text-3: #8a97ab;
    --accent: #6d9cff;
    --accent-2: #8fb3ff;
    --accent-soft: #1a2a4d;
    --on-accent: #08111f;
    --ptt: #7ea6ff;
    --ptt-soft: #1a2a4d;
    --data: #4fd1c5;
    --data-soft: #0f2e2c;
    --video: #c084fc;
    --video-soft: #2a1840;
    --night: #070d18;
    --night-2: #111c30;
    --shadow: 0 1px 2px rgba(0, 0, 0, .4);
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; }
body { margin: 0; font: 16px/1.6 var(--font); color: var(--text); background: var(--bg); -webkit-font-smoothing: antialiased; }
h1, h2, h3, h4 { line-height: 1.15; margin: 0 0 .5em; letter-spacing: -.02em; }
h2 { font-size: clamp(28px, 4vw, 40px); }
h3 { font-size: 20px; }
h4 { font-size: 16px; margin-bottom: .3em; }
p { margin: 0 0 1em; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
.muted { color: var(--text-3); }
.sprite { display: none; }
svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.wrap { max-width: 1160px; margin: 0 auto; padding: 0 24px; }
.wrap.narrow { max-width: 780px; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; height: 40px; padding: 0 18px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); color: var(--text); font: 600 14.5px var(--font); cursor: pointer; white-space: nowrap; transition: background .15s, border-color .15s, transform .15s; }
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.outline { background: transparent; }
.btn.lg { height: 50px; padding: 0 26px; font-size: 16px; border-radius: 12px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 28px; }
.cta.center { justify-content: center; }

/* Header */
.top { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--night) 88%, transparent); backdrop-filter: saturate(1.4) blur(12px); border-bottom: 1px solid rgba(255, 255, 255, .08); }
.bar { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; color: var(--text); letter-spacing: -.01em; }
.brand:hover { text-decoration: none; }
.top .brand { color: #fff; }
.links { display: flex; gap: 22px; flex: 1; }
.links a { color: #c4cedd; font-size: 14.5px; font-weight: 500; }
.links a:hover { color: #fff; text-decoration: none; }
.auth { display: flex; gap: 8px; margin-left: auto; }
.top .btn.ghost { color: #e6ebf3; }
.top .btn.ghost:hover { background: rgba(255, 255, 255, .08); }
.top .btn.primary { background: #3b6ef5; border-color: #3b6ef5; color: #fff; }
.top .btn.primary:hover { background: #5583ff; border-color: #5583ff; }

/* Hero */
.hero { position: relative; overflow: hidden; color: #e6ebf3; background: radial-gradient(900px 500px at 85% 10%, rgba(59, 110, 245, .45), transparent 60%), radial-gradient(700px 500px at 0% 100%, rgba(126, 34, 206, .28), transparent 60%), var(--night); padding: 84px 0 96px; }
.hero-grid { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.hero h1 { font-size: clamp(38px, 6vw, 64px); color: #fff; letter-spacing: -.035em; }
.hero .lead { font-size: clamp(17px, 2vw, 20px); color: #b4bfd0; max-width: 580px; }
.hero .btn.outline { color: #fff; border-color: rgba(255, 255, 255, .3); }
.hero .btn.outline:hover { background: rgba(255, 255, 255, .08); }
.hero .btn.primary { background: #3b6ef5; border-color: #3b6ef5; color: #fff; }
.hero .btn.primary:hover { background: #5583ff; border-color: #5583ff; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: 12.5px; font-weight: 700; color: var(--accent); margin-bottom: 12px; }
.hero .eyebrow { color: #8fb3ff; }
.ticks { list-style: none; padding: 0; margin: 26px 0 0; display: flex; gap: 22px; flex-wrap: wrap; color: #c4cedd; font-size: 14.5px; }
.ticks li { display: inline-flex; align-items: center; gap: 7px; }
.ticks svg { width: 18px; height: 18px; color: #4ade80; stroke-width: 2.4; }

/* The app, drawn */
.device { justify-self: center; width: 300px; padding: 12px; border-radius: 44px; background: linear-gradient(160deg, #2a3a57, #0d1525); box-shadow: var(--shadow-lg), inset 0 0 0 1px rgba(255, 255, 255, .12); transform: rotate(2deg); }
.screen { border-radius: 34px; background: #0a111f; padding: 22px 18px 18px; display: flex; flex-direction: column; gap: 14px; color: #e6ebf3; font-size: 13px; }
.s-top { display: flex; justify-content: space-between; align-items: center; font-weight: 700; font-size: 15px; }
.live { display: inline-flex; align-items: center; gap: 6px; font-size: 11.5px; font-weight: 700; color: #4ade80; background: rgba(74, 222, 128, .12); padding: 3px 9px; border-radius: 99px; }
.live i { width: 7px; height: 7px; border-radius: 50%; background: #4ade80; animation: pulse 1.4s infinite; }
.talker { display: flex; gap: 12px; align-items: center; background: #13203a; border-radius: 14px; padding: 12px; }
.talker small { display: block; color: #8a97ab; }
.av { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 50%; background: #3b6ef5; color: #fff; font-weight: 700; font-size: 13px; flex: none; }
.wave { display: flex; gap: 4px; align-items: center; justify-content: center; height: 40px; }
.wave i { width: 5px; border-radius: 3px; background: linear-gradient(#8fb3ff, #3b6ef5); height: 30%; animation: wave 1.1s ease-in-out infinite; }
.wave i:nth-child(3n) { animation-delay: -.3s; }
.wave i:nth-child(3n+1) { animation-delay: -.6s; }
.wave i:nth-child(4n) { animation-delay: -.85s; }
.chans { list-style: none; padding: 0; margin: 0; display: grid; gap: 6px; }
.chans li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; background: #101a2e; color: #b4bfd0; }
.chans li.on { background: #1a2a4d; color: #fff; }
.chans b { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 6px; background: rgba(255, 255, 255, .08); font-size: 11.5px; }
.chans span { margin-left: auto; font-size: 10.5px; font-weight: 700; text-transform: uppercase; color: #4ade80; }
.chans span.lmr { color: #fbbf24; }
.ptt-btn { align-self: center; display: grid; place-items: center; width: 92px; height: 92px; border-radius: 50%; background: radial-gradient(circle at 35% 30%, #5583ff, #1d4ed8); box-shadow: 0 0 0 8px rgba(59, 110, 245, .18), 0 10px 26px rgba(29, 78, 216, .55); font-weight: 800; letter-spacing: .08em; }
.s-foot { display: flex; justify-content: space-between; font-size: 11.5px; color: #8a97ab; }
.sos { color: #fff; background: #dc2626; padding: 3px 10px; border-radius: 99px; font-weight: 700; }
@keyframes wave { 0%, 100% { height: 25%; } 50% { height: 95%; } }
@keyframes pulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .wave i, .live i { animation: none; }
  .btn:hover { transform: none; }
}

/* Highlights band */
.band { background: var(--night-2); color: #c4cedd; border-top: 1px solid rgba(255, 255, 255, .06); }
.band-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; padding-top: 22px; padding-bottom: 22px; font-size: 14px; }
.band-grid div { display: flex; gap: 10px; align-items: center; }
.band svg { color: #8fb3ff; }

/* Sections */
.sec { padding: 96px 0; }
.sec.alt { background: var(--bg-alt); }
.sec-hd { max-width: 680px; margin: 0 auto 48px; text-align: center; }
.sec-hd p:last-child { color: var(--text-2); font-size: 17.5px; }
.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 22px; }
.grid4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.svc { border-top: 4px solid var(--c); }
.svc.ptt { --c: var(--ptt); --cs: var(--ptt-soft); }
.svc.data { --c: var(--data); --cs: var(--data-soft); }
.svc.video { --c: var(--video); --cs: var(--video-soft); }
.svc .ic { display: inline-grid; place-items: center; width: 48px; height: 48px; border-radius: 12px; background: var(--cs); color: var(--c); margin-bottom: 18px; }
.svc p { color: var(--text-2); }
.svc ul, .plan ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 8px; font-size: 14.5px; }
.svc li, .plan li { display: flex; gap: 8px; align-items: baseline; }
.svc li::before, .plan li::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--c, var(--accent)); flex: none; transform: translateY(-2px); }
.feats { margin-top: 56px; gap: 34px 28px; }
.feat { display: flex; gap: 14px; }
.feat > svg { width: 40px; height: 40px; padding: 9px; border-radius: 10px; background: var(--accent-soft); color: var(--accent); }
.feat p, .pillar p { color: var(--text-2); font-size: 14.5px; margin: 0; }

.split { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
.split p:not(.eyebrow) { color: var(--text-2); font-size: 17px; }
.split .muted { font-size: 15px; color: var(--text-3); }

/* Radio flow */
.flow { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; counter-reset: f; }
.flow li { position: relative; display: grid; grid-template-columns: 48px 1fr; grid-template-rows: auto auto; column-gap: 14px; align-items: center; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 14px 18px; box-shadow: var(--shadow); }
.flow li svg { grid-row: span 2; width: 48px; height: 48px; padding: 11px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); }
.flow li:first-child svg { background: #fff4e0; color: #b45309; }
.flow small { color: var(--text-3); }
.flow li + li::before { content: ""; position: absolute; left: 41px; top: -15px; height: 15px; border-left: 2px dashed var(--accent); }

/* Security */
.pillar { padding: 26px; border-radius: var(--radius); background: var(--bg-alt); border: 1px solid var(--border); }
.pillar > svg { width: 44px; height: 44px; padding: 10px; border-radius: 12px; background: var(--night); color: #8fb3ff; margin-bottom: 16px; }

/* The admin panel, drawn */
.split.rev > :first-child { order: 0; }
.window { border-radius: 14px; overflow: hidden; background: var(--surface); border: 1px solid var(--border); box-shadow: 0 20px 50px rgba(16, 24, 40, .14); font-size: 13px; }
.w-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: var(--bg-alt); border-bottom: 1px solid var(--border); color: var(--text-3); font-size: 12px; }
.w-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border); }
.w-bar span { margin-left: 10px; }
.w-body { display: grid; grid-template-columns: 120px 1fr; min-height: 280px; }
.w-side { background: var(--night); padding: 14px 10px; display: grid; align-content: start; gap: 4px; }
.w-side b { color: #8a97ab; font-weight: 500; padding: 6px 10px; border-radius: 7px; font-size: 12.5px; }
.w-side b.on { background: var(--night-2); color: #fff; }
.w-main { padding: 16px; display: grid; gap: 14px; align-content: start; }
.meters { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.meters div { border: 1px solid var(--border); border-radius: 10px; padding: 10px; display: grid; gap: 4px; }
.meters small { color: var(--text-3); font-size: 11px; }
.m { height: 6px; border-radius: 3px; background: var(--ptt-soft); overflow: hidden; }
.m i { display: block; height: 100%; background: var(--ptt); }
.m.d { background: var(--data-soft); } .m.d i { background: var(--data); }
.m.v { background: var(--video-soft); } .m.v i { background: var(--video); }
.m80 { width: 80%; } .m76 { width: 76%; } .m60 { width: 60%; }
.window table { width: 100%; border-collapse: collapse; }
.window td { padding: 8px 6px; border-top: 1px solid var(--border); white-space: nowrap; }
.window td:first-child { display: flex; align-items: center; gap: 8px; font-weight: 600; }
.av.s { width: 26px; height: 26px; font-size: 10px; }
.tag { display: inline-block; font-size: 10.5px; font-weight: 700; padding: 2px 7px; border-radius: 99px; margin-right: 4px; }
.tag.ptt { background: var(--ptt-soft); color: var(--ptt); }
.tag.data { background: var(--data-soft); color: var(--data); }
.tag.video { background: var(--video-soft); color: var(--video); }
.list { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; font-size: 16.5px; }
.list li { display: flex; gap: 10px; align-items: flex-start; }
.list svg { color: var(--ok); stroke-width: 2.4; margin-top: 2px; }

/* Steps */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; counter-reset: s; }
.steps li { counter-increment: s; padding: 26px 22px; border-radius: var(--radius); border: 1px solid var(--border); background: var(--surface); }
.steps li::before { content: counter(s); display: grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent); color: var(--on-accent); font-weight: 800; margin-bottom: 14px; }
.steps b { display: block; font-size: 16.5px; margin-bottom: 6px; }
.steps p { color: var(--text-2); font-size: 14.5px; margin: 0; }

/* Store */
.plan { display: flex; flex-direction: column; gap: 14px; }
.plan.mcptt { --c: var(--ptt); --cs: var(--ptt-soft); border-color: color-mix(in srgb, var(--ptt) 45%, var(--border)); box-shadow: 0 10px 30px color-mix(in srgb, var(--ptt) 18%, transparent); }
.plan.mcdata { --c: var(--data); --cs: var(--data-soft); }
.plan.mcvideo { --c: var(--video); --cs: var(--video-soft); }
.plan .pill { align-self: flex-start; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 99px; background: var(--cs); color: var(--c); }
.plan h3 { margin: 0; }
.price { font-size: 42px; font-weight: 800; letter-spacing: -.03em; line-height: 1; }
.price small { font-size: 14px; font-weight: 500; color: var(--text-3); letter-spacing: 0; }
.plan p { color: var(--text-2); margin: 0; font-size: 14.5px; }
.trial { margin: 26px auto 0; max-width: 820px; display: flex; gap: 14px; align-items: center; padding: 16px 20px; border-radius: 12px; background: var(--accent-soft); font-size: 15px; }
.trial svg { color: var(--accent); }
.calc { margin: 22px auto 0; max-width: 820px; padding: 20px 22px; border-radius: 12px; border: 1px solid var(--border); background: var(--surface); }
.calc h3 { font-size: 16px; }
.calc-row { display: flex; gap: 18px 26px; align-items: center; flex-wrap: wrap; font-size: 15px; }
.calc-row input[type="number"] { width: 96px; height: 38px; margin-left: 8px; padding: 0 10px; border-radius: 8px; border: 1px solid var(--border); background: var(--bg); color: var(--text); font: inherit; }
.chk { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; }
.chk input { width: 18px; height: 18px; accent-color: var(--accent); }
.calc output { margin-left: auto; font-size: 22px; font-weight: 800; }
.calc output small { font-size: 13px; font-weight: 500; color: var(--text-3); }
.fine { text-align: center; color: var(--text-3); font-size: 13.5px; margin-top: 18px; }

/* FAQ */
.faq { display: grid; gap: 10px; }
.faq details { border: 1px solid var(--border); border-radius: 12px; padding: 0 20px; background: var(--surface); }
.faq summary { cursor: pointer; padding: 16px 0; font-weight: 600; list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--text-3); font-size: 20px; line-height: 1; }
.faq details[open] summary::after { content: "−"; }
.faq p { color: var(--text-2); }

/* Final call to action and footer */
.final { text-align: center; padding: 88px 0; color: #e6ebf3; background: radial-gradient(700px 300px at 50% 0%, rgba(59, 110, 245, .4), transparent 70%), var(--night); }
.final h2 { color: #fff; }
.final p { color: #b4bfd0; font-size: 18px; }
.final .btn.outline { color: #fff; border-color: rgba(255, 255, 255, .3); }
.final .btn.primary { background: #3b6ef5; border-color: #3b6ef5; color: #fff; }
.foot { padding: 48px 0 28px; border-top: 1px solid var(--border); }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px; }
.foot nav { display: grid; gap: 8px; align-content: start; font-size: 14.5px; }
.foot nav a { color: var(--text-2); }
.foot .fine { text-align: left; margin-top: 32px; }

/* Narrow screens */
@media (max-width: 980px) {
  .links { display: none; }
  .hero-grid, .split { grid-template-columns: 1fr; gap: 48px; }
  .device { transform: none; }
  .grid3 { grid-template-columns: 1fr; }
  .grid4, .steps, .band-grid { grid-template-columns: 1fr 1fr; }
  .split.rev > :first-child { order: 1; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 16px; }
  .bar { gap: 10px; }
  .brand span { display: none; }
  .top .brand span { display: inline; font-size: 15px; }
  .auth .btn { padding: 0 12px; height: 36px; font-size: 13.5px; }
  .hero { padding: 56px 0 64px; }
  .sec { padding: 64px 0; }
  .grid4, .steps, .band-grid, .meters, .foot-grid { grid-template-columns: 1fr; }
  .w-body { grid-template-columns: 1fr; }
  .w-side { display: none; }
  .window td:last-child { display: none; }
  .calc output { margin-left: 0; }
}
@media (max-width: 480px) {
  .top .brand span { display: none; }
}