:root{
  --ink:#16222c;
  --bedrock:#22384a;
  --bedrock-deep:#1a2b3a;
  --paper:#f6f8f9;
  --card:#ffffff;
  --line:#dde4e9;
  --steel:#3d7ea6;
  --amber:#f0a318;
  --amber-ink:#211500;
  --body:#3c4a56;
  --radius:10px;
  --wrap:1080px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
body{
  font-family:"Public Sans",system-ui,sans-serif;
  color:var(--body);
  background:var(--paper);
  line-height:1.65;
  font-size:1.0rem;
}
h1,h2,h3{font-family:"Archivo",sans-serif;color:var(--ink);line-height:1.15;letter-spacing:-0.01em}
h1{font-size:clamp(1.9rem,5vw,3.1rem);font-weight:800}
h2{font-size:clamp(1.45rem,3.4vw,2.1rem);font-weight:700;margin-bottom:.6rem}
h3{font-size:1.12rem;font-weight:700;margin-bottom:.35rem}
p{margin-bottom:1rem}
a{color:var(--steel)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.mono{font-family:"IBM Plex Mono",monospace}
.eyebrow{font-family:"Archivo",sans-serif;font-size:.8rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--steel);margin-bottom:.5rem}

/* Buttons */
.btn{display:inline-block;padding:.8rem 1.4rem;border-radius:var(--radius);font-family:"Archivo",sans-serif;font-weight:700;text-decoration:none;text-align:center}
.btn-call{background:var(--amber);color:var(--amber-ink)}
.btn-call:hover{background:#ffb424}
.btn-ghost{border:2px solid var(--line);color:var(--ink);background:var(--card)}
.btn-lg{font-size:1.15rem;padding:1rem 1.9rem}

/* Header */
.site-header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-row{display:flex;align-items:center;gap:1.2rem;padding:.75rem 20px}
.brand{font-family:"Archivo",sans-serif;font-weight:800;font-size:1.08rem;color:var(--ink);text-decoration:none;margin-right:auto}
.nav{display:flex;gap:1.1rem}
.nav a{color:var(--body);text-decoration:none;font-weight:500;font-size:.94rem}
.nav a:hover{color:var(--ink)}
.nav-toggle{display:none;background:none;border:1px solid var(--line);border-radius:8px;padding:.45rem .8rem;font-weight:600;color:var(--ink)}
@media (max-width:860px){
  .nav{display:none;position:absolute;top:100%;left:0;right:0;background:var(--card);border-bottom:1px solid var(--line);flex-direction:column;padding:1rem 20px;gap:.8rem}
  .nav.open{display:flex}
  .nav-toggle{display:block}
  .header-call{display:none}
}

/* Hero */
.hero{background-color:var(--bedrock-deep);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 420' preserveAspectRatio='xMidYMax slice'%3E%3Cpath d='M0 300 C200 285 420 320 640 305 C860 292 1040 322 1200 308 L1200 420 L0 420 Z' fill='%232c455c' opacity='0.45'/%3E%3Cpath d='M0 345 C250 332 520 362 780 350 C980 341 1100 358 1200 352 L1200 420 L0 420 Z' fill='%23203245' opacity='0.85'/%3E%3Cpath d='M0 386 C300 376 720 396 1200 386 L1200 420 L0 420 Z' fill='%23142330'/%3E%3Cg fill='%237e9cb4'%3E%3Ccircle cx='930' cy='330' r='3' opacity='0.5'/%3E%3Ccircle cx='990' cy='280' r='2.5' opacity='0.4'/%3E%3Ccircle cx='950' cy='215' r='2' opacity='0.3'/%3E%3Ccircle cx='1030' cy='170' r='2.5' opacity='0.25'/%3E%3Ccircle cx='985' cy='115' r='2' opacity='0.18'/%3E%3Ccircle cx='1060' cy='330' r='2.5' opacity='0.45'/%3E%3Ccircle cx='1105' cy='250' r='2' opacity='0.3'/%3E%3Ccircle cx='1140' cy='150' r='2' opacity='0.2'/%3E%3C/g%3E%3Cg fill='%23f0a318'%3E%3Ccircle cx='1010' cy='230' r='2.5' opacity='0.5'/%3E%3Ccircle cx='1085' cy='120' r='2' opacity='0.35'/%3E%3C/g%3E%3C/svg%3E"),linear-gradient(180deg,var(--bedrock) 0%,var(--bedrock-deep) 100%);background-repeat:no-repeat,no-repeat;background-position:bottom center,center;background-size:cover,cover;color:#dbe6ee;padding:3.5rem 0 2.6rem}
.hero h1{color:#fff;max-width:17ch}
.hero .lede{font-size:1.12rem;max-width:52ch;margin:1rem 0 1.5rem;color:#c3d2dd}
.hero-actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-bottom:2rem}
.hero .btn-ghost{background:transparent;border-color:#40566a;color:#dbe6ee}

/* Signature: instrument readout strip */
.readout{display:flex;flex-wrap:wrap;gap:0;border:1px solid #3a5165;border-radius:var(--radius);overflow:hidden;background:#182835;max-width:720px}
.readout .cell{flex:1 1 160px;padding:.9rem 1.1rem;border-right:1px solid #3a5165}
.readout .cell:last-child{border-right:none}
.readout .val{font-family:"IBM Plex Mono",monospace;font-size:1.25rem;color:var(--amber);display:block}
.readout .lab{font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:#8aa2b5}

/* Sections */
section{padding:3.2rem 0}
.section-alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
@media (max-width:820px){.grid-2,.grid-3{grid-template-columns:1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.5rem}
.section-alt .card{background:var(--paper)}
.card .mono{font-family:"Archivo",sans-serif;font-weight:700;color:var(--steel);font-size:.8rem;letter-spacing:.1em;display:block;margin-bottom:.4rem}
.diagram{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.1rem;margin-bottom:1.2rem}
.diagram svg{display:block;width:100%;height:auto}
ul.checks{list-style:none;margin:0 0 1rem}
ul.checks li{padding-left:1.5rem;position:relative;margin-bottom:.55rem}
ul.checks li::before{content:"";position:absolute;left:0;top:.52em;width:.62em;height:.62em;border-radius:2px;background:var(--steel)}

/* Steps */
.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
@media (max-width:920px){.steps{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.steps{grid-template-columns:1fr}}
.step{counter-increment:step;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1.3rem}
.step::before{content:"0" counter(step);font-family:"IBM Plex Mono",monospace;color:var(--amber);font-size:.9rem;display:block;margin-bottom:.5rem}

/* Area chips */
.chips{display:flex;flex-wrap:wrap;gap:.55rem;margin:.6rem 0 1rem}
.chips span{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:.35rem .95rem;font-size:.92rem;color:var(--ink)}

/* Tables */
.spec{width:100%;border-collapse:collapse;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.spec th,.spec td{text-align:left;padding:.8rem 1rem;border-bottom:1px solid var(--line);vertical-align:top}
.spec th{font-family:"Archivo",sans-serif;color:var(--ink);font-size:.92rem;background:var(--paper)}
.spec tr:last-child td{border-bottom:none}

/* FAQ */
details{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.2rem;margin-bottom:.7rem}
details summary{font-family:"Archivo",sans-serif;font-weight:700;color:var(--ink);cursor:pointer}
details p{margin:.7rem 0 0}

/* CTA band */
.cta-band{background-color:var(--bedrock);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 420' preserveAspectRatio='xMidYMax slice'%3E%3Cpath d='M0 300 C200 285 420 320 640 305 C860 292 1040 322 1200 308 L1200 420 L0 420 Z' fill='%232c455c' opacity='0.45'/%3E%3Cpath d='M0 345 C250 332 520 362 780 350 C980 341 1100 358 1200 352 L1200 420 L0 420 Z' fill='%23203245' opacity='0.85'/%3E%3Cpath d='M0 386 C300 376 720 396 1200 386 L1200 420 L0 420 Z' fill='%23142330'/%3E%3Cg fill='%237e9cb4'%3E%3Ccircle cx='930' cy='330' r='3' opacity='0.5'/%3E%3Ccircle cx='990' cy='280' r='2.5' opacity='0.4'/%3E%3Ccircle cx='950' cy='215' r='2' opacity='0.3'/%3E%3Ccircle cx='1030' cy='170' r='2.5' opacity='0.25'/%3E%3Ccircle cx='985' cy='115' r='2' opacity='0.18'/%3E%3Ccircle cx='1060' cy='330' r='2.5' opacity='0.45'/%3E%3Ccircle cx='1105' cy='250' r='2' opacity='0.3'/%3E%3Ccircle cx='1140' cy='150' r='2' opacity='0.2'/%3E%3C/g%3E%3Cg fill='%23f0a318'%3E%3Ccircle cx='1010' cy='230' r='2.5' opacity='0.5'/%3E%3Ccircle cx='1085' cy='120' r='2' opacity='0.35'/%3E%3C/g%3E%3C/svg%3E");background-repeat:no-repeat;background-position:bottom center;background-size:cover;color:#c3d2dd;text-align:center;padding:3.4rem 0}
.cta-band h2{color:#fff}
.cta-band .eyebrow{color:var(--amber)}
.cta-sub{max-width:46ch;margin:0 auto 1.4rem}

/* Footer */
.site-footer{background:var(--bedrock-deep);color:#9db2c2;padding:2.6rem 0 5.5rem}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:1.6rem}
@media (max-width:700px){.footer-grid{grid-template-columns:1fr}}
.brand-foot{font-family:"Archivo",sans-serif;font-weight:800;color:#fff;font-size:1.05rem;margin-bottom:.4rem}
.foot-head{font-family:"Archivo",sans-serif;font-weight:700;color:#fff;margin-bottom:.5rem}
.site-footer a{display:block;color:#9db2c2;text-decoration:none;margin-bottom:.4rem}
.site-footer a:hover{color:#fff}
.foot-legal{border-top:1px solid #2c3f50;margin-top:2rem;padding-top:1.2rem;font-size:.85rem}
.foot-legal p{margin:0}

/* Sticky mobile call bar */
.sticky-call{display:none}
@media (max-width:860px){
  .sticky-call{display:block;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--amber);color:var(--amber-ink);text-align:center;font-family:"Archivo",sans-serif;font-weight:800;font-size:1.05rem;padding:1rem;text-decoration:none;box-shadow:0 -4px 14px rgba(0,0,0,.18)}
}

/* Forms */
.form-grid{display:grid;gap:.9rem;max-width:520px}
.form-grid input,.form-grid textarea{width:100%;padding:.8rem .95rem;border:1px solid var(--line);border-radius:8px;font:inherit;background:var(--card)}
.form-grid input:focus,.form-grid textarea:focus,a:focus-visible,button:focus-visible{outline:3px solid var(--steel);outline-offset:2px}

/* Page hero (interior pages) */
.page-hero{background-color:var(--bedrock);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 420' preserveAspectRatio='xMidYMax slice'%3E%3Cpath d='M0 300 C200 285 420 320 640 305 C860 292 1040 322 1200 308 L1200 420 L0 420 Z' fill='%232c455c' opacity='0.45'/%3E%3Cpath d='M0 345 C250 332 520 362 780 350 C980 341 1100 358 1200 352 L1200 420 L0 420 Z' fill='%23203245' opacity='0.85'/%3E%3Cpath d='M0 386 C300 376 720 396 1200 386 L1200 420 L0 420 Z' fill='%23142330'/%3E%3Cg fill='%237e9cb4'%3E%3Ccircle cx='930' cy='330' r='3' opacity='0.5'/%3E%3Ccircle cx='990' cy='280' r='2.5' opacity='0.4'/%3E%3Ccircle cx='950' cy='215' r='2' opacity='0.3'/%3E%3Ccircle cx='1030' cy='170' r='2.5' opacity='0.25'/%3E%3Ccircle cx='985' cy='115' r='2' opacity='0.18'/%3E%3Ccircle cx='1060' cy='330' r='2.5' opacity='0.45'/%3E%3Ccircle cx='1105' cy='250' r='2' opacity='0.3'/%3E%3Ccircle cx='1140' cy='150' r='2' opacity='0.2'/%3E%3C/g%3E%3Cg fill='%23f0a318'%3E%3Ccircle cx='1010' cy='230' r='2.5' opacity='0.5'/%3E%3Ccircle cx='1085' cy='120' r='2' opacity='0.35'/%3E%3C/g%3E%3C/svg%3E");background-repeat:no-repeat;background-position:bottom center;background-size:cover;color:#c3d2dd;padding:2.6rem 0}
.page-hero h1{color:#fff}
.page-hero p{max-width:56ch;margin-top:.6rem}