/* ==========================================================================
   Silent Sentinel — shared marketing-site styles
   One stylesheet for every page so the color scheme and layout stay identical.
   Palette: deep-midnight "night watch" + a single amber "sentinel lamp" accent.
   ========================================================================== */

:root{
  --ink:#0E1A2B;        /* deep midnight — the night watch */
  --ink-2:#142338;      /* raised panel on dark */
  --slate:#24405F;
  --paper:#F5F3EC;      /* warm paper — the printed report */
  --paper-2:#ECE6D8;    /* card on paper */
  --amber:#E4A33A;      /* the sentinel lamp — the one accent */
  --amber-hi:#F2C46B;
  --text-light:#E9EEF4;
  --muted-light:#9DB0C6;
  --text-dark:#17232F;
  --muted-dark:#4E6278;
  --line-dark:rgba(157,176,198,.20);
  --line-paper:rgba(23,35,47,.14);

  --serif:'Iowan Old Style','Palatino Linotype',Palatino,'Book Antiqua',Georgia,serif;
  --sans:system-ui,-apple-system,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,'SF Mono','Cascadia Mono','Segoe UI Mono',Consolas,monospace;

  --wrap:1120px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;background:var(--ink);color:var(--text-light);
  font-family:var(--sans);font-size:17px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
a{color:inherit;}
h1,h2,h3{margin:0;font-family:var(--serif);font-weight:600;letter-spacing:-.01em;line-height:1.08;}
p{margin:0;}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 28px;}

/* eyebrow / mono utility — the "watch status" voice */
.eyebrow{
  font-family:var(--mono);font-size:12.5px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted-light);display:inline-flex;align-items:center;gap:.6em;
}
.dot{width:8px;height:8px;border-radius:50%;background:var(--amber);
  box-shadow:0 0 0 0 rgba(228,163,58,.6);}
@media (prefers-reduced-motion: no-preference){
  .dot{animation:pulse 2.6s ease-out infinite;}
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(228,163,58,.55);}
    70%{box-shadow:0 0 0 9px rgba(228,163,58,0);}
    100%{box-shadow:0 0 0 0 rgba(228,163,58,0);}
  }
}

/* segment badge (subpage hero) */
.badge{display:inline-block;font-family:var(--mono);font-size:11.5px;letter-spacing:.16em;
  text-transform:uppercase;color:var(--amber-hi);border:1px solid rgba(228,163,58,.5);
  border-radius:2px;padding:6px 11px;}

/* buttons */
.btn{display:inline-flex;align-items:center;gap:.5em;font-family:var(--sans);
  font-weight:600;font-size:15.5px;text-decoration:none;border-radius:2px;white-space:nowrap;
  padding:13px 22px;border:1px solid transparent;transition:transform .12s ease,background .2s ease,border-color .2s ease;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--amber);color:#231705;}
.btn-primary:hover{background:var(--amber-hi);}
.btn-ghost{border-color:var(--line-dark);color:var(--text-light);}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber-hi);}
.btn-arrow::after{content:"→";font-family:var(--mono);}

:focus-visible{outline:2px solid var(--amber);outline-offset:3px;border-radius:2px;}

/* ---- top bar (shared on every page) ---- */
.topbar{position:sticky;top:0;z-index:50;background:rgba(14,26,43,.86);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line-dark);}
.topbar .wrap{display:flex;align-items:center;gap:24px;height:66px;}
.brand{display:flex;align-items:baseline;gap:10px;text-decoration:none;margin-right:auto;}
.brand .mark{font-family:var(--serif);font-size:21px;font-weight:600;letter-spacing:-.02em;color:var(--text-light);}
.brand .by{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-light);}
.nav{display:flex;gap:26px;}
.nav a{font-size:14.5px;text-decoration:none;color:var(--muted-light);transition:color .18s ease;white-space:nowrap;}
.nav a:hover,.nav a[aria-current="page"]{color:var(--text-light);}
.nav a[aria-current="page"]{border-bottom:2px solid var(--amber);padding-bottom:3px;}
@media (max-width:900px){.nav{display:none;}}
@media (max-width:520px){.brand .by{display:none;}.topbar .wrap{gap:12px;}}

/* ---- hero (home) ---- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-dark);
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(36,64,95,.55), transparent 60%),
    radial-gradient(700px 400px at 8% 110%, rgba(228,163,58,.08), transparent 60%),
    var(--ink);}
.hero .wrap{padding:104px 28px 96px;position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:clamp(38px,5.4vw,62px);color:var(--text-light);margin:22px 0 0;max-width:14ch;}
.hero h1 .lamp{color:var(--amber);}
.lead{margin-top:24px;font-size:19px;color:var(--muted-light);max-width:46ch;}
.lead strong{color:var(--text-light);font-weight:600;}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
@media (max-width:520px){.hero .wrap{padding-top:74px;}}

/* scan line — the ambient "watch" signature */
.scan{position:absolute;inset:0;z-index:1;pointer-events:none;opacity:.5;}
@media (prefers-reduced-motion: no-preference){
  .scan::before{content:"";position:absolute;left:0;right:0;height:2px;top:-10%;
    background:linear-gradient(90deg,transparent,rgba(228,163,58,.45),transparent);
    animation:sweep 7.5s cubic-bezier(.4,0,.2,1) infinite;}
  @keyframes sweep{0%{top:-6%;}100%{top:104%;}}
}

/* report card mock */
.report{background:linear-gradient(180deg,#182b42,#122033);border:1px solid var(--line-dark);
  border-radius:6px;padding:22px 22px 20px;box-shadow:0 24px 60px -30px rgba(0,0,0,.8);}
.report .rhead{display:flex;align-items:center;justify-content:space-between;
  border-bottom:1px solid var(--line-dark);padding-bottom:12px;margin-bottom:14px;}
.report .rtitle{font-family:var(--serif);font-size:16px;color:var(--text-light);}
.report .rstamp{font-family:var(--mono);font-size:11px;color:var(--muted-light);letter-spacing:.08em;}
.rrow{display:flex;align-items:center;gap:11px;padding:9px 0;border-bottom:1px dashed var(--line-dark);}
.rrow:last-child{border-bottom:0;}
.tag{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;
  padding:3px 7px;border-radius:2px;white-space:nowrap;}
.tag.watch{background:rgba(228,163,58,.16);color:var(--amber-hi);}
.tag.clear{background:rgba(122,160,120,.16);color:#9ec79a;}
.tag.review{background:rgba(180,120,120,.16);color:#e0a3a3;}
.rrow span{font-size:13.5px;color:var(--muted-light);}
@media (max-width:900px){
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .report{max-width:440px;}
}

/* ---- subpage hero (K-12 / Higher-Ed) ---- */
.phero{position:relative;overflow:hidden;border-bottom:1px solid var(--line-dark);
  background:
    radial-gradient(1000px 460px at 82% -20%, rgba(36,64,95,.5), transparent 60%),
    var(--ink);}
.phero .wrap{padding:78px 28px 66px;position:relative;z-index:2;}
.phero h1{font-size:clamp(32px,4.6vw,52px);color:var(--text-light);margin:18px 0 0;max-width:18ch;}
.phero h1 .lamp{color:var(--amber);}
.phero .lead{max-width:60ch;}
.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dark);
  border:1px solid var(--line-dark);border-radius:6px;overflow:hidden;margin-top:40px;}
.kpi{background:var(--ink-2);padding:20px 22px;}
.kpi b{display:block;font-family:var(--serif);font-size:24px;color:var(--amber-hi);line-height:1;}
.kpi span{display:block;margin-top:7px;font-family:var(--mono);font-size:11px;letter-spacing:.08em;
  text-transform:uppercase;color:var(--muted-light);}
@media (max-width:720px){.kpis{grid-template-columns:repeat(2,1fr);}}
@media (max-width:400px){.kpis{grid-template-columns:1fr;}}

/* ---- section scaffolding ---- */
section{scroll-margin-top:80px;}
.band-paper{background:var(--paper);color:var(--text-dark);}
.band-dark{background:var(--ink);color:var(--text-light);}
.sec-pad{padding:88px 0;}
.sec-pad-sm{padding:64px 0;}
.sec-head{max-width:64ch;margin-bottom:44px;}
.sec-head .eyebrow{color:var(--muted-dark);}
.band-dark .sec-head .eyebrow{color:var(--muted-light);}
.sec-head h2{font-size:clamp(28px,3.4vw,40px);margin-top:16px;}
.band-paper .sec-head h2{color:var(--text-dark);}
.band-dark .sec-head h2{color:var(--text-light);}
.sec-head .sub{margin-top:14px;font-size:18px;color:var(--muted-dark);}
.band-dark .sec-head .sub{color:var(--muted-light);}

/* card grid (capabilities / labeled cards) */
.caps{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--line-paper);
  border:1px solid var(--line-paper);border-radius:6px;overflow:hidden;}
.band-dark .caps{background:var(--line-dark);border-color:var(--line-dark);}
.cap{background:var(--paper);padding:30px 30px 34px;}
.band-dark .cap{background:var(--ink-2);}
.cap .clabel{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);}
.cap h3{font-size:22px;margin:12px 0 10px;color:var(--text-dark);}
.band-dark .cap h3{color:var(--text-light);}
.cap p{color:var(--muted-dark);font-size:16px;}
.band-dark .cap p{color:var(--muted-light);}
@media (max-width:720px){.caps{grid-template-columns:1fr;}}

/* three-up variant */
.caps.three{grid-template-columns:repeat(3,1fr);}
@media (max-width:860px){.caps.three{grid-template-columns:1fr;}}

/* checkmark service lists */
.checklist{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:12px 34px;}
.checklist li{position:relative;padding-left:28px;font-size:16px;color:var(--text-dark);}
.band-dark .checklist li{color:var(--text-light);}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--amber);
  font-weight:700;font-family:var(--sans);}
@media (max-width:640px){.checklist{grid-template-columns:1fr;}}

/* two-column duo (responsibilities) */
.duo{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:var(--line-paper);
  border:1px solid var(--line-paper);border-radius:6px;overflow:hidden;}
.band-dark .duo{background:var(--line-dark);border-color:var(--line-dark);}
.duo .col{background:var(--paper);padding:28px 28px 30px;}
.band-dark .duo .col{background:var(--ink-2);}
.duo .col h3{font-size:15px;font-family:var(--mono);font-weight:600;text-transform:uppercase;
  letter-spacing:.1em;color:var(--muted-dark);margin-bottom:16px;}
.band-dark .duo .col h3{color:var(--muted-light);}
.duo .col.accent h3{color:var(--amber);}
.duo .col ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;}
.duo .col li{font-size:15.5px;color:var(--text-dark);padding-left:18px;position:relative;}
.band-dark .duo .col li{color:var(--text-light);}
.duo .col li::before{content:"—";position:absolute;left:0;color:var(--muted-dark);}
.band-dark .duo .col li::before{color:var(--muted-light);}
@media (max-width:680px){.duo{grid-template-columns:1fr;}}

/* process steps (real sequence) */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
.steps.six{grid-template-columns:repeat(3,1fr);gap:34px 28px;}
.step{position:relative;padding-top:28px;border-top:1px solid var(--line-dark);}
.band-paper .step{border-top-color:var(--line-paper);}
.step .num{position:absolute;top:-15px;left:0;font-family:var(--mono);font-size:13px;
  color:var(--ink);background:var(--amber);width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;font-weight:700;}
.step h3{font-size:20px;color:var(--text-light);margin-bottom:8px;}
.band-paper .step h3{color:var(--text-dark);}
.step p{color:var(--muted-light);font-size:15.5px;}
.band-paper .step p{color:var(--muted-dark);}
.step .when{font-family:var(--mono);font-size:11px;letter-spacing:.1em;color:var(--amber);
  text-transform:uppercase;margin-top:10px;display:block;}
@media (max-width:860px){.steps{grid-template-columns:repeat(2,1fr);gap:34px 28px;}.steps.six{grid-template-columns:repeat(2,1fr);}}
@media (max-width:480px){.steps,.steps.six{grid-template-columns:1fr;}}

/* trust / spec strip */
.trust{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-paper);
  border-top:1px solid var(--line-paper);border-bottom:1px solid var(--line-paper);}
.tcell{background:var(--paper);padding:28px 24px;}
.tcell .tk{font-family:var(--serif);font-size:19px;color:var(--text-dark);margin-bottom:6px;}
.tcell p{font-size:14.5px;color:var(--muted-dark);}
@media (max-width:820px){.trust{grid-template-columns:repeat(2,1fr);}}
@media (max-width:440px){.trust{grid-template-columns:1fr;}}

/* compliance chips */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:6px;}
.chip{font-family:var(--mono);font-size:12.5px;letter-spacing:.04em;color:var(--text-dark);
  background:var(--paper-2);border:1px solid var(--line-paper);border-radius:2px;padding:8px 12px;}
.band-dark .chip{color:var(--text-light);background:var(--ink-2);border-color:var(--line-dark);}

/* included list (investment) */
.invest{display:grid;grid-template-columns:1.3fr .9fr;gap:40px;align-items:start;}
.invest .note{background:var(--ink-2);border:1px solid var(--line-dark);border-radius:6px;padding:26px;}
.invest .note .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);}
.invest .note h3{font-size:22px;color:var(--text-light);margin:10px 0 8px;}
.invest .note p{color:var(--muted-light);font-size:15.5px;margin-bottom:18px;}
@media (max-width:760px){.invest{grid-template-columns:1fr;gap:28px;}}

/* "who we serve" cards (home) — clickable */
.serve{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.serve-card{display:block;text-decoration:none;background:var(--paper);border:1px solid var(--line-paper);
  border-radius:6px;padding:32px 32px 30px;transition:transform .14s ease,box-shadow .2s ease,border-color .2s ease;}
.serve-card:hover{transform:translateY(-3px);box-shadow:0 20px 44px -28px rgba(14,26,43,.5);border-color:rgba(228,163,58,.5);}
.serve-card .slabel{font-family:var(--mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);}
.serve-card h3{font-size:25px;color:var(--text-dark);margin:12px 0 10px;}
.serve-card p{color:var(--muted-dark);font-size:16px;}
.serve-card .go{display:inline-flex;align-items:center;gap:.5em;margin-top:20px;font-weight:600;
  font-size:15px;color:var(--text-dark);}
.serve-card .go::after{content:"→";font-family:var(--mono);color:var(--amber);transition:transform .15s ease;}
.serve-card:hover .go::after{transform:translateX(4px);}
@media (max-width:680px){.serve{grid-template-columns:1fr;}}

/* cross-link band (subpage → the other segment) */
.crosslink{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
  border:1px solid var(--line-dark);border-radius:6px;padding:24px 28px;background:var(--ink-2);}
.crosslink p{color:var(--muted-light);font-size:16px;}
.crosslink p b{color:var(--text-light);}

/* prose paragraph inside dark/paper sections */
.prose{max-width:70ch;font-size:17px;}
.band-paper .prose{color:var(--muted-dark);}
.band-dark .prose{color:var(--muted-light);}
.prose strong{color:inherit;font-weight:600;}
.band-paper .prose strong{color:var(--text-dark);}
.band-dark .prose strong{color:var(--text-light);}
.prose + .prose{margin-top:16px;}

/* CTA band */
.cta-band{background:
    radial-gradient(700px 300px at 85% 120%, rgba(228,163,58,.10), transparent 60%),
    var(--ink-2);
  border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark);}
.cta-band .wrap{padding:70px 28px;display:flex;flex-wrap:wrap;gap:34px;align-items:center;justify-content:space-between;}
.cta-band h2{font-size:clamp(26px,3vw,36px);max-width:20ch;color:var(--text-light);}
.cta-band .side{display:flex;flex-direction:column;gap:14px;min-width:250px;}
.cta-band .side .note{font-size:14px;color:var(--muted-light);font-family:var(--mono);letter-spacing:.04em;}

/* footer */
footer{background:var(--ink);padding:52px 0 40px;border-top:1px solid var(--line-dark);}
footer .wrap{display:flex;flex-wrap:wrap;gap:28px;justify-content:space-between;align-items:flex-start;}
.fbrand .mark{font-family:var(--serif);font-size:20px;color:var(--text-light);}
.fbrand p{font-size:14px;color:var(--muted-light);margin-top:8px;max-width:34ch;}
.flinks{display:flex;gap:30px;flex-wrap:wrap;}
.flinks a{font-size:14.5px;text-decoration:none;color:var(--muted-light);}
.flinks a:hover{color:var(--amber-hi);}
.legal{width:100%;margin-top:26px;padding-top:22px;border-top:1px solid var(--line-dark);
  font-size:12.5px;color:var(--muted-light);font-family:var(--mono);letter-spacing:.03em;}
.legal .fineprint{display:block;margin-top:8px;color:var(--muted-light);opacity:.8;text-transform:none;letter-spacing:0;font-family:var(--sans);font-size:12px;}

/* ---- legal / policy pages ---- */
.legal-head{background:
    radial-gradient(900px 380px at 82% -30%, rgba(36,64,95,.5), transparent 60%),
    var(--ink);border-bottom:1px solid var(--line-dark);}
.legal-head .wrap{padding:66px 28px 44px;}
.legal-head h1{font-size:clamp(30px,4vw,44px);color:var(--text-light);margin:14px 0 0;}
.legal-head .meta{margin-top:16px;font-family:var(--mono);font-size:12px;letter-spacing:.06em;color:var(--muted-light);}
.legal-doc{max-width:768px;margin:0 auto;}
.legal-doc h2{font-size:23px;color:var(--text-dark);margin:40px 0 12px;font-family:var(--serif);scroll-margin-top:86px;}
.legal-doc h2:first-of-type{margin-top:0;}
.legal-doc h3{font-size:16px;font-family:var(--sans);font-weight:700;color:var(--text-dark);margin:22px 0 8px;text-transform:none;letter-spacing:0;}
.legal-doc p{color:var(--muted-dark);margin-bottom:15px;font-size:16.5px;line-height:1.7;}
.legal-doc ul{margin:0 0 16px;padding-left:22px;}
.legal-doc li{color:var(--muted-dark);margin-bottom:9px;font-size:16.5px;line-height:1.6;}
.legal-doc strong{color:var(--text-dark);font-weight:600;}
.legal-doc a{color:#24405F;text-decoration:underline;text-underline-offset:2px;}
.legal-doc a:hover{color:#0E1A2B;}
.lead-note{background:var(--paper-2);border:1px solid var(--line-paper);border-left:3px solid var(--amber);
  border-radius:2px;padding:16px 18px;margin-bottom:32px;font-size:15px;color:var(--muted-dark);line-height:1.6;}
.lead-note strong{color:var(--text-dark);}
.toc{list-style:none;margin:0 0 36px;padding:20px 22px;background:var(--paper-2);border:1px solid var(--line-paper);
  border-radius:4px;columns:2;column-gap:32px;}
.toc li{margin-bottom:9px;font-size:14.5px;break-inside:avoid;}
.toc a{color:var(--text-dark);text-decoration:none;}
.toc a:hover{color:#24405F;text-decoration:underline;}
@media (max-width:560px){.toc{columns:1;}}

/* ---- access gate screen (gate.html) ---- */
.gate-body{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;
  padding:44px 20px;background:
    radial-gradient(1000px 480px at 78% -20%, rgba(36,64,95,.55), transparent 60%),
    radial-gradient(700px 400px at 12% 120%, rgba(228,163,58,.08), transparent 60%),
    var(--ink);}
.gate-card{width:100%;max-width:480px;background:var(--ink-2);border:1px solid var(--line-dark);
  border-radius:8px;padding:38px 36px 34px;box-shadow:0 30px 70px -34px rgba(0,0,0,.8);}
.gate-brand{display:flex;align-items:baseline;gap:10px;margin-bottom:6px;}
.gate-brand .mark{font-family:var(--serif);font-size:23px;font-weight:600;letter-spacing:-.02em;color:var(--text-light);}
.gate-brand .by{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-light);}
.gate-card > .eyebrow{color:var(--muted-light);margin-bottom:20px;}
.gate-opt{padding:22px 0;}
.gate-opt + .gate-opt{border-top:1px solid var(--line-dark);}
.gate-opt h2{font-size:18px;color:var(--text-light);font-family:var(--serif);margin-bottom:4px;}
.gate-opt p{font-size:14px;color:var(--muted-light);margin-bottom:14px;line-height:1.5;}
.gate-form{display:flex;gap:10px;}
.gate-input{flex:1;background:var(--ink);border:1px solid var(--line-dark);border-radius:2px;
  color:var(--text-light);font-family:var(--sans);font-size:15px;padding:12px 14px;min-width:0;}
.gate-input:focus{outline:2px solid var(--amber);outline-offset:1px;border-color:var(--amber);}
.gate-input::placeholder{color:var(--muted-light);opacity:.7;}
.gate-btn{border:0;cursor:pointer;}
.gate-full{display:flex;width:100%;justify-content:center;}
.gate-error{margin-top:12px;font-size:13.5px;color:#e79a9a;font-family:var(--mono);letter-spacing:.02em;min-height:1.2em;}
.gate-error[hidden]{display:none;}
.gate-note{max-width:480px;margin:22px auto 0;text-align:center;font-family:var(--mono);
  font-size:11.5px;letter-spacing:.03em;color:var(--muted-light);opacity:.75;line-height:1.6;}