/* National Signaling Authority — institutional stylesheet */
:root{
  --navy:#0a2342;
  --navy-2:#102f54;
  --navy-3:#0d2745;
  --gold:#c5a253;
  --gold-2:#a9863a;
  --gold-soft:#e8d9a8;
  --ink:#1b2430;
  --muted:#5c6b7a;
  --line:#e2e5ea;
  --paper:#f7f6f1;
  --paper-2:#fbfaf6;
  --white:#ffffff;
  --ok:#1d6b48;
  --serif:Georgia,"Iowan Old Style","Palatino Linotype","Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --wrap:1140px;
  --shadow:0 1px 2px rgba(10,35,66,.06),0 8px 24px rgba(10,35,66,.07);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);
  line-height:1.6;-webkit-font-smoothing:antialiased;font-size:17px;
}
h1,h2,h3,h4{font-family:var(--serif);color:var(--navy);line-height:1.2;font-weight:700;margin:0 0 .5em}
h1{font-size:2.6rem;letter-spacing:-.01em}
h2{font-size:2rem}
h3{font-size:1.3rem}
p{margin:0 0 1rem}
a{color:var(--navy-2);text-decoration:none}
a:hover{color:var(--gold-2);text-decoration:underline}
img{max-width:100%;display:block}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.skip{position:absolute;left:-999px;top:0;background:var(--navy);color:#fff;padding:10px 16px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---- utility bar ---- */
.utility{background:var(--navy-3);color:#c9d4e2;font-size:.8rem;border-bottom:1px solid rgba(197,162,83,.35)}
.util-row{display:flex;justify-content:space-between;align-items:center;min-height:38px;gap:16px;flex-wrap:wrap}
.util-left{letter-spacing:.04em;text-transform:uppercase;font-size:.72rem;color:#9fb1c6}
.util-right a{color:#dfe7f0}
.util-right a:hover{color:var(--gold-soft)}

/* ---- masthead ---- */
.masthead{background:var(--white);border-bottom:3px solid var(--gold)}
.mast-row{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:18px 24px}
.brand{display:flex;align-items:center;gap:16px}
.brand:hover{text-decoration:none}
.brand .seal{width:64px;height:64px;flex:0 0 auto}
.brand-text{display:flex;flex-direction:column}
.brand-name{font-family:var(--serif);font-weight:700;font-size:1.5rem;color:var(--navy);line-height:1.1;letter-spacing:.01em}
.brand-sub{font-size:.74rem;text-transform:uppercase;letter-spacing:.16em;color:var(--gold-2);margin-top:4px}
.cta{background:var(--gold);color:var(--navy);font-weight:700;padding:11px 22px;border-radius:3px;
  font-size:.85rem;letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--gold-2)}
.cta:hover{background:var(--gold-2);color:#fff;text-decoration:none}

/* ---- primary nav ---- */
.mainnav{background:var(--navy)}
.mainnav ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap}
.mainnav a{display:block;color:#dbe4ef;padding:14px 18px;font-size:.82rem;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;border-bottom:3px solid transparent}
.mainnav a:hover{color:#fff;background:var(--navy-2);text-decoration:none}
.mainnav a.current{color:#fff;border-bottom-color:var(--gold);background:var(--navy-2)}

/* ---- hero ---- */
.hero{background:linear-gradient(160deg,var(--navy) 0%,#0d2c52 55%,#123a66 100%);color:#eaf1f9;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-80px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(197,162,83,.16),transparent 62%);pointer-events:none}
.hero .wrap{display:grid;grid-template-columns:1.4fr .9fr;gap:48px;align-items:center;padding:72px 24px}
.hero-eyebrow{display:inline-block;font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--gold-soft);border:1px solid rgba(197,162,83,.5);padding:6px 14px;border-radius:40px;margin-bottom:22px}
.hero h1{color:#fff;font-size:3.1rem;margin-bottom:18px}
.hero p.lead{font-size:1.18rem;color:#c9d6e6;max-width:36em;margin-bottom:28px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;font-weight:700;padding:13px 26px;border-radius:3px;font-size:.9rem;
  letter-spacing:.04em;border:1px solid transparent;cursor:pointer}
.btn-gold{background:var(--gold);color:var(--navy);border-color:var(--gold-2)}
.btn-gold:hover{background:var(--gold-2);color:#fff;text-decoration:none}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.1);color:#fff;text-decoration:none}
.hero-seal{display:flex;justify-content:center}
.hero-seal img{width:260px;height:260px;filter:drop-shadow(0 12px 30px rgba(0,0,0,.35))}

/* ---- trust strip ---- */
.trustbar{background:var(--navy-3);color:#c9d4e2;border-bottom:1px solid rgba(197,162,83,.3)}
.trustbar .wrap{display:flex;justify-content:center;gap:38px;flex-wrap:wrap;padding:16px 24px;
  font-size:.8rem;letter-spacing:.08em;text-transform:uppercase}
.trustbar span{display:flex;align-items:center;gap:9px}
.trustbar span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}

/* ---- generic sections ---- */
section{padding:64px 0}
.section-alt{background:var(--paper-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-navy{background:var(--navy);color:#dfe8f2}
.section-navy h2,.section-navy h3{color:#fff}
.eyebrow{font-size:.76rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold-2);font-weight:700;margin-bottom:10px}
.section-head{max-width:48em;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.lead{font-size:1.1rem;color:var(--muted)}
.section-navy .lead{color:#b9c8da}

/* ---- page header band ---- */
.page-band{background:linear-gradient(160deg,var(--navy),#123a66);color:#eaf1f9;padding:54px 0}
.page-band .eyebrow{color:var(--gold-soft)}
.page-band h1{color:#fff;margin-bottom:10px}
.page-band p{color:#c4d2e2;max-width:46em;margin:0}
.crumbs{font-size:.8rem;color:#9fb1c6;margin-bottom:16px;letter-spacing:.03em}
.crumbs a{color:#c9d6e6}

/* ---- grids & cards ---- */
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--white);border:1px solid var(--line);border-radius:5px;padding:28px;box-shadow:var(--shadow)}
.card h3{margin-bottom:8px}
.card .kicker{font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--gold-2);font-weight:700}
.card-top{border-top:3px solid var(--gold)}
.card p:last-child{margin-bottom:0}
.card .more{font-weight:600;font-size:.9rem}

/* ---- pillars ---- */
.pillar{display:flex;gap:18px;align-items:flex-start}
.pillar .tag{flex:0 0 auto;width:54px;height:54px;border-radius:50%;background:var(--navy);color:var(--gold-soft);
  display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:1.1rem;border:2px solid var(--gold)}

/* ---- stats ---- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:center}
.stat .num{font-family:var(--serif);font-size:2.6rem;color:var(--gold);line-height:1}
.stat .lbl{font-size:.8rem;letter-spacing:.1em;text-transform:uppercase;color:#b9c8da;margin-top:8px}

/* ---- tables ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:5px;box-shadow:var(--shadow)}
table.data{width:100%;border-collapse:collapse;background:#fff;font-size:.95rem}
table.data th,table.data td{text-align:left;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
table.data thead th{background:var(--navy);color:#eaf1f9;font-size:.74rem;letter-spacing:.09em;
  text-transform:uppercase;font-weight:600}
table.data tbody tr:nth-child(even){background:var(--paper-2)}
table.data code{font-family:"SFMono-Regular",Consolas,monospace;font-size:.85rem;color:var(--navy-2);font-weight:600}

/* ---- badges ---- */
.badge{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.05em;text-transform:uppercase;
  padding:4px 10px;border-radius:30px;border:1px solid}
.badge-ok{color:var(--ok);border-color:#bfe0cd;background:#eaf7f0}
.badge-gold{color:var(--gold-2);border-color:#e6d5a6;background:#fbf4e1}
.badge-navy{color:var(--navy-2);border-color:#cdd9e8;background:#eef3f9}

/* ---- compliance mark callout ---- */
.mark-callout{display:grid;grid-template-columns:200px 1fr;gap:36px;align-items:center}
.mark-callout .seal-box{background:var(--white);border:1px solid var(--line);border-radius:8px;padding:24px;text-align:center;box-shadow:var(--shadow)}
.mark-callout .seal-box img{width:140px;height:140px;margin:0 auto 10px}
.mark-callout .seal-box small{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}

/* ---- steps ---- */
.steps{counter-reset:step;display:grid;gap:18px}
.step{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:5px;padding:22px 24px;box-shadow:var(--shadow)}
.step::before{counter-increment:step;content:counter(step);flex:0 0 auto;width:40px;height:40px;border-radius:50%;
  background:var(--navy);color:var(--gold-soft);font-family:var(--serif);font-weight:700;
  display:flex;align-items:center;justify-content:center}
.step h3{margin-bottom:4px;font-size:1.1rem}
.step p{margin:0;color:var(--muted)}

/* ---- CTA band ---- */
.cta-band{background:linear-gradient(120deg,var(--navy),#143b66);color:#fff;text-align:center;padding:60px 24px;border-radius:6px}
.cta-band h2{color:#fff}
.cta-band p{color:#c8d6e7;max-width:40em;margin:0 auto 24px}

/* ---- definition / prose lists ---- */
.prose{max-width:52em}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2em}
.prose li{margin-bottom:.5em}
.glossary dt{font-weight:700;color:var(--navy);font-family:var(--serif);margin-top:1.1em}
.glossary dd{margin:.2em 0 0;color:var(--muted)}
.faq details{border:1px solid var(--line);border-radius:5px;background:#fff;padding:6px 20px;margin-bottom:12px;box-shadow:var(--shadow)}
.faq summary{cursor:pointer;font-weight:600;color:var(--navy);padding:12px 0;font-family:var(--serif);font-size:1.05rem}
.faq details[open] summary{border-bottom:1px solid var(--line);margin-bottom:10px}

/* ---- forms ---- */
.form{background:#fff;border:1px solid var(--line);border-radius:6px;padding:30px;box-shadow:var(--shadow)}
.field{margin-bottom:18px}
.field label{display:block;font-size:.82rem;font-weight:600;letter-spacing:.04em;color:var(--navy);margin-bottom:6px;text-transform:uppercase}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1px solid #c8d0db;border-radius:4px;
  font:inherit;font-size:.95rem;background:#fcfcfb}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(197,162,83,.2)}
.notice{padding:16px 20px;border-radius:5px;margin-bottom:24px;font-size:.95rem}
.notice-ok{background:#eaf7f0;border:1px solid #bfe0cd;color:#155c3c}
.notice-err{background:#fcecec;border:1px solid #f0c4c4;color:#9b2a2a}

/* ---- contact meta ---- */
.contact-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:48px;align-items:start}
.contact-meta dt{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--gold-2);font-weight:700;margin-top:18px}
.contact-meta dd{margin:.2em 0 0}

/* ---- footer ---- */
.site-footer{background:var(--navy);color:#b8c6d8;margin-top:0;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding:56px 24px 40px}
.foot-brand img{width:56px;height:56px;margin-bottom:14px}
.foot-name{font-family:var(--serif);color:#fff;font-size:1.15rem;margin:0 0 6px}
.foot-tag{color:#94a6bb;max-width:30em}
.site-footer h4{color:var(--gold-soft);font-family:var(--sans);font-size:.76rem;letter-spacing:.12em;
  text-transform:uppercase;margin:0 0 14px}
.site-footer ul{list-style:none;margin:0;padding:0}
.site-footer li{margin-bottom:9px}
.site-footer a{color:#b8c6d8}
.site-footer a:hover{color:#fff}
.foot-bar{border-top:1px solid rgba(255,255,255,.12)}
.foot-bar-row{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:18px 24px;
  font-size:.8rem;color:#8092a8;letter-spacing:.02em}

.mt0{margin-top:0}.mb0{margin-bottom:0}.center{text-align:center}

/* ---- responsive ---- */
@media(max-width:900px){
  h1{font-size:2.1rem}.hero h1{font-size:2.3rem}h2{font-size:1.6rem}
  .hero .wrap{grid-template-columns:1fr;gap:32px;padding:48px 24px}
  .hero-seal{order:-1}.hero-seal img{width:180px;height:180px}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .stats{grid-template-columns:repeat(2,1fr);gap:28px}
  .foot-grid{grid-template-columns:1fr 1fr}
  .mark-callout,.contact-grid{grid-template-columns:1fr;gap:24px}
  .mast-row{flex-wrap:wrap}.cta{order:3}
}
@media(max-width:560px){
  body{font-size:16px}
  .util-left{display:none}
  .stats{grid-template-columns:1fr}.foot-grid{grid-template-columns:1fr}
  .brand-name{font-size:1.2rem}.brand .seal{width:52px;height:52px}
}