/* BioIDGuard — Biometric Security Applications, Inc.
   Brand: BSA red #B00000/#C00000 · engraved caps display · Georgia serif body
   Motif: scan-frame corner brackets (from the BSA circuit-fingerprint mark) */

:root{
  --red:#B00000;
  --red-bright:#C00000;
  --ink:#191919;
  --gray:#5E5E5E;
  --faint:#8A8A8A;
  --rule:#E4DFDA;
  --paper:#FFFFFF;
  --paper-warm:#FAF8F5;
  --dark:#131318;
  --red-on-dark:#E86A6A;   /* red, stepped for the dark band */
  --gray-on-dark:#A9A5A0;  /* secondary text on --dark */
  --rule-on-dark:#2A2A32;
  --serif:Georgia,'Times New Roman',serif;
  --caps:'Cinzel',Georgia,serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--serif);color:var(--ink);background:var(--paper);font-size:17px;line-height:1.65;-webkit-font-smoothing:antialiased}
img{max-width:100%}
a{color:inherit}
.container{max-width:1140px;margin:0 auto;padding:0 28px}

/* type */
.caps{font-family:var(--caps);letter-spacing:.09em}
.eyebrow{font-family:var(--caps);font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--red);margin-bottom:1rem}
h1{font-family:var(--caps);font-weight:600;font-size:clamp(2rem,4.6vw,3.4rem);line-height:1.14;letter-spacing:.02em}
h2{font-family:var(--caps);font-weight:600;font-size:clamp(1.4rem,2.6vw,1.9rem);line-height:1.25;letter-spacing:.02em}
h3{font-family:var(--caps);font-weight:600;font-size:1.02rem;letter-spacing:.04em;margin-bottom:.45rem}
.lede{font-size:1.15rem;color:var(--gray);max-width:46ch}

/* header */
.site-header{border-bottom:1px solid var(--rule);background:var(--paper);position:sticky;top:0;z-index:50}
.nav{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{font-family:var(--caps);font-weight:700;font-size:1.15rem;letter-spacing:.14em;text-decoration:none}
.brand em{font-style:normal;color:var(--red)}
.nav-links{display:flex;gap:34px;align-items:center}
.nav-links a{text-decoration:none;font-size:.94rem;color:var(--gray)}
.nav-links a:hover,.nav-links a[aria-current]{color:var(--ink)}
.nav-cta{font-family:var(--caps);font-size:.78rem!important;letter-spacing:.14em;text-transform:uppercase;color:var(--red)!important;border:1.5px solid var(--red);padding:9px 18px}
.nav-cta:hover{background:var(--red);color:#fff!important}
.menu-btn{display:none;background:none;border:1px solid var(--rule);font-size:1.2rem;padding:4px 12px;cursor:pointer}

/* hero — scan frame captures the headline */
.hero{padding:110px 0 90px;background:var(--paper-warm)}
.hero-inner{display:grid;grid-template-columns:1.25fr .75fr;gap:70px;align-items:center}
.scanline{position:relative;padding:44px 48px}
.scanline i{position:absolute;width:34px;height:34px;border:2.5px solid var(--ink)}
.scanline i:nth-child(1){top:0;left:0;border-right:none;border-bottom:none}
.scanline i:nth-child(2){top:0;right:0;border-left:none;border-bottom:none}
.scanline i:nth-child(3){bottom:0;left:0;border-right:none;border-top:none}
.scanline i:nth-child(4){bottom:0;right:0;border-left:none;border-top:none}
.hero p{margin-top:1.4rem;color:var(--gray);max-width:52ch}
.hero-actions{margin-top:2.2rem;display:flex;gap:16px;flex-wrap:wrap}
.print-figure{text-align:center}
.print-figure img{width:min(180px,60%);mix-blend-mode:multiply;image-rendering:auto}
.print-figure figcaption{font-size:.78rem;color:var(--faint);letter-spacing:.08em;margin-top:14px}

/* buttons */
.btn{display:inline-block;text-decoration:none;font-family:var(--caps);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;padding:14px 26px;border:1.5px solid var(--ink);transition:all .15s ease}
.btn-primary{background:var(--ink);color:#fff}
.btn-primary:hover{background:var(--red);border-color:var(--red)}
.btn-ghost:hover{border-color:var(--red);color:var(--red)}

/* attribute ribbon */
.ribbon{border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.ribbon .container{display:flex;flex-wrap:wrap}
.ribbon span{flex:1;min-width:140px;text-align:center;padding:18px 8px;font-family:var(--caps);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gray);border-left:1px solid var(--rule)}
.ribbon span:first-child{border-left:none}

/* sections */
.section{padding:96px 0}
.section-warm{background:var(--paper-warm)}
.section-head{max-width:62ch;margin-bottom:56px}
.section-head p{margin-top:1rem;color:var(--gray)}

/* principle rows: definition-list rhythm, not card grid */
.principles{border-top:2px solid var(--ink)}
.principle{display:grid;grid-template-columns:280px 1fr;gap:40px;padding:30px 0;border-bottom:1px solid var(--rule)}
.principle p{color:var(--gray);max-width:64ch}

/* flow (technology) */
.flow{display:grid;grid-template-columns:1fr auto 1fr auto 1fr;gap:18px;align-items:stretch;margin-top:46px}
.flow-step{border:1px solid var(--rule);border-top:3px solid var(--red);padding:26px 24px;background:var(--paper)}
.flow-step small{display:block;color:var(--faint);font-size:.85rem;margin-top:.5rem;line-height:1.5}
.flow-sep{align-self:center;font-size:1.4rem;color:var(--red)}

/* dark applications band */
.section-dark{background:var(--dark);color:#EDEAE6}
.section-dark .eyebrow{color:var(--red-on-dark)}
.section-dark .section-head p{color:var(--gray-on-dark)}
.apps{columns:2;column-gap:70px}
.app{break-inside:avoid;padding:22px 0;border-bottom:1px solid var(--rule-on-dark)}
.app h3{color:#fff}
.app p{color:var(--gray-on-dark);font-size:.97rem}

/* patents */
.patent-list{border-top:2px solid var(--ink)}
.patent{display:grid;grid-template-columns:300px 1fr;gap:40px;padding:28px 0;border-bottom:1px solid var(--rule)}
.patent strong{font-family:var(--caps);font-size:.95rem;letter-spacing:.05em}
.patent p{color:var(--gray)}
.smallprint{font-size:.85rem;color:var(--faint);margin-top:26px;max-width:70ch}

/* leadership */
.leader{display:grid;grid-template-columns:1fr 1.4fr;gap:70px;align-items:center}
.leader-card{border:1px solid var(--rule);border-top:3px solid var(--red);padding:44px 40px;background:var(--paper);text-align:center}
.leader-card .role{font-family:var(--caps);font-size:.7rem;letter-spacing:.26em;text-transform:uppercase;color:var(--red)}
.leader-card h3{font-size:1.5rem;margin:14px 0 6px}
.leader-card p{color:var(--gray)}

/* contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:70px}
.contact-meta{margin-top:2rem;display:grid;gap:1.2rem;color:var(--gray)}
.contact-meta a{color:var(--red);text-decoration:none}
.form{display:grid;gap:16px}
.form input,.form select,.form textarea{width:100%;font-family:var(--serif);font-size:1rem;padding:14px 16px;border:1px solid var(--rule);background:var(--paper);color:var(--ink)}
.form input:focus,.form select:focus,.form textarea:focus{outline:2px solid var(--red);outline-offset:-1px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form textarea{min-height:140px;resize:vertical}
.form-note{font-size:.82rem;color:var(--faint)}

/* social */
.social{display:flex;gap:22px;margin-top:1.6rem}
.social a{font-family:var(--caps);font-size:.72rem;letter-spacing:.22em;text-transform:uppercase;text-decoration:none;color:var(--gray);border-bottom:1.5px solid var(--rule);padding-bottom:3px}
.social a:hover{color:var(--red);border-color:var(--red)}

/* five verticals */
.verticals{padding-top:70px;padding-bottom:70px}
.vertical-list{border-top:2px solid var(--ink)}
.vertical-list details{border-bottom:1px solid var(--rule)}
.vertical-list summary{cursor:pointer;list-style:none;display:flex;align-items:center;justify-content:space-between;padding:22px 6px;font-size:1.05rem;letter-spacing:.12em}
.vertical-list summary::-webkit-details-marker{display:none}
.vertical-list summary::after{content:"+";font-family:var(--caps);font-size:1.3rem;color:var(--red);transition:transform .15s}
.vertical-list details[open] summary::after{content:"–"}
.vertical-list details[open] summary{color:var(--red)}
.vertical-body{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:26px 40px;padding:4px 6px 30px}
.use h3{font-size:.92rem}
.use p{color:var(--gray);font-size:.95rem}

/* team */
.roster{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:26px;margin-top:20px}
.member{border:1px solid var(--rule);border-top:3px solid var(--red);padding:24px 22px;background:var(--paper)}
.member .role{font-family:var(--caps);font-size:.66rem;letter-spacing:.22em;text-transform:uppercase;color:var(--red)}
.member h3{margin-top:8px}
.member p{color:var(--gray);font-size:.93rem}

/* footer */
.footer{border-top:1px solid var(--rule);padding:44px 0;background:var(--paper-warm)}
.footer-grid{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap;color:var(--gray);font-size:.9rem}

/* subpage hero */
.page-hero{padding:84px 0 64px;background:var(--paper-warm);border-bottom:1px solid var(--rule)}

@media (max-width:900px){
  .hero-inner,.leader,.contact-grid{grid-template-columns:1fr;gap:44px}
  .flow{grid-template-columns:1fr}
  .flow-sep{transform:rotate(90deg);justify-self:center}
  .principle,.patent{grid-template-columns:1fr;gap:8px}
  .apps{columns:1}
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:var(--paper);flex-direction:column;padding:22px;border-bottom:1px solid var(--rule)}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .form-row{grid-template-columns:1fr}
  .print-figure{order:-1}
}
@media (prefers-reduced-motion: no-preference){
  .hero .scanline{animation:settle .7s ease-out}
  @keyframes settle{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
}

/* headshots (deck-sourced) */
.member .headshot{width:110px;height:110px;object-fit:cover;object-position:top;border-radius:2px;border:1px solid var(--rule);margin-bottom:14px;filter:grayscale(18%)}
.member .monogram{display:flex;align-items:center;justify-content:center;background:var(--paper-warm);color:var(--red);font-family:var(--caps);font-size:1.6rem;letter-spacing:.06em}

/* ─────────────────────────────────────────────────────────────
   Launch additions — 2026-08-30
   Every device below reuses the existing vocabulary: the scan-frame
   bracket, the 2px ink rule over hairlines, the engraved-caps label.
   No new motif is introduced.
   ───────────────────────────────────────────────────────────── */

/* skip link — keyboard users land past the nav */
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;font-family:var(--caps);
  font-size:.75rem;letter-spacing:.16em;text-transform:uppercase;padding:14px 22px;z-index:100}
.skip:focus{left:0}

/* visible focus everywhere, not just on form fields */
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--red);outline-offset:3px}

/* strategic partner — one named partner, so a statement block, not a logo grid */
.partner{border-top:2px solid var(--ink);margin-top:8px}
.partner-row{display:grid;grid-template-columns:280px 1fr;gap:40px;padding:30px 0;border-bottom:1px solid var(--rule)}
.partner-row .who{font-family:var(--caps);font-size:1.02rem;letter-spacing:.04em}
.partner-row .what{color:var(--gray);max-width:64ch}
.partner-note{font-size:.85rem;color:var(--faint);margin-top:22px;max-width:70ch}

/* form: states */
.form button[disabled]{opacity:.55;cursor:not-allowed}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.form-status{font-size:.92rem;padding:14px 16px;border-left:3px solid var(--red);background:var(--paper);color:var(--ink)}
.form-status[hidden]{display:none}
.form-status.is-error{border-color:var(--red);color:var(--red)}
.form-sent{position:relative;padding:44px 40px;background:var(--paper);border:1px solid var(--rule)}
.form-sent i{position:absolute;width:26px;height:26px;border:2.5px solid var(--red)}
.form-sent i:nth-child(1){top:0;left:0;border-right:none;border-bottom:none}
.form-sent i:nth-child(2){top:0;right:0;border-left:none;border-bottom:none}
.form-sent i:nth-child(3){bottom:0;left:0;border-right:none;border-top:none}
.form-sent i:nth-child(4){bottom:0;right:0;border-left:none;border-top:none}
.form-sent h3{color:var(--red)}
.form-sent p{color:var(--gray);margin-top:.6rem}
.cf-turnstile{min-height:65px}

/* 404 */
.notfound{padding:130px 0;text-align:center}
.notfound .code{font-family:var(--caps);font-size:.72rem;letter-spacing:.32em;text-transform:uppercase;color:var(--red)}
.notfound h1{margin:1rem 0 1.2rem}
.notfound p{color:var(--gray);max-width:52ch;margin:0 auto 2.4rem}

@media (max-width:900px){
  .partner-row{grid-template-columns:1fr;gap:8px}
}

/* ─────────────────────────────────────────────────────────────
   Vertical hubs + disclosure navigation — 2026-09-03
   Kenn's 7/29 direction: a tab per vertical, opening to its
   applications. Click to open rather than hover: hover menus are
   unreachable on touch and fail keyboard users, and the buyer here
   is federal. Same vocabulary throughout — 2px ink rule over
   hairline, engraved caps label, red as the only accent.
   ───────────────────────────────────────────────────────────── */

.nav-item{position:relative;display:flex;align-items:center;gap:5px}
.nav-item > a{text-decoration:none;font-size:.94rem;color:var(--gray)}
.nav-item > a:hover,.nav-item > a[aria-current]{color:var(--ink)}

.caret{background:none;border:0;padding:6px 2px;cursor:pointer;line-height:0;color:var(--faint)}
.caret::after{content:"";display:block;width:6px;height:6px;border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;transform:rotate(45deg) translate(-2px,-2px)}
.caret:hover{color:var(--ink)}
.caret[aria-expanded="true"]{color:var(--red)}
.caret[aria-expanded="true"]::after{transform:rotate(-135deg) translate(-3px,-3px)}

.submenu{position:absolute;top:calc(100% + 12px);left:-18px;min-width:248px;background:var(--paper);
  border:1px solid var(--rule);border-top:2px solid var(--ink);padding:8px 0;z-index:60;
  box-shadow:0 14px 34px rgba(25,25,25,.09)}
.submenu a{display:block;padding:9px 22px;font-size:.9rem;color:var(--gray);text-decoration:none}
.submenu a:hover,.submenu a:focus-visible{background:var(--paper-warm);color:var(--red)}
.submenu a:first-child{font-family:var(--caps);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--faint);border-bottom:1px solid var(--rule);margin-bottom:6px;padding-bottom:11px}

/* on-page jump list — echoes the attribute ribbon */
.jump{display:flex;flex-wrap:wrap;margin-top:2.4rem;border-top:1px solid var(--rule)}
.jump a{font-family:var(--caps);font-size:.7rem;letter-spacing:.2em;text-transform:uppercase;
  text-decoration:none;color:var(--gray);padding:16px 22px 16px 0;margin-right:22px;
  border-bottom:2px solid transparent}
.jump a:hover{color:var(--red);border-bottom-color:var(--red)}

/* the credential problem this case exists to solve */
.case-problem{border-left:3px solid var(--red);padding:2px 0 2px 26px;margin-bottom:44px;max-width:66ch}
.case-problem p{color:var(--gray);font-size:1.05rem}

.footer-dl{color:var(--red);text-decoration:none;border-bottom:1px solid var(--rule);padding-bottom:2px}
.footer-dl:hover{border-color:var(--red)}

/* the nav carries eight items now, so it collapses earlier */
@media (max-width:1080px){
  .nav-links{display:none;position:absolute;top:74px;left:0;right:0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;padding:14px 22px 24px;
    border-bottom:1px solid var(--rule);max-height:calc(100vh - 74px);overflow-y:auto}
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  .nav-item{display:block;width:100%;padding-top:14px}
  .nav-item > a{font-family:var(--caps);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
  .caret{display:none}
  .submenu,.submenu[hidden]{display:block;position:static;min-width:0;border:0;border-left:1px solid var(--rule);
    box-shadow:none;padding:4px 0 0;margin:6px 0 0 2px}
  .submenu a{padding:7px 0 7px 16px}
  .submenu a:first-child{border-bottom:0;margin-bottom:0;padding-bottom:7px}
  .nav-links > a{padding:14px 0;font-family:var(--caps);font-size:.8rem;letter-spacing:.16em;text-transform:uppercase;color:var(--ink)}
  .nav-cta{margin-top:18px;align-self:stretch;text-align:center}
  .jump a{padding-right:16px;margin-right:16px}
}
.vertical-more{grid-column:1/-1;margin-top:6px}
.vertical-more a{font-family:var(--caps);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;
  color:var(--red);text-decoration:none;border-bottom:1.5px solid var(--rule);padding-bottom:3px}
.vertical-more a:hover{border-color:var(--red)}

/* Eight top-level items now sit in a 1140px container, so the desktop
   nav is set tighter than the four-item original. Below 1080 it is the
   mobile panel and these do not apply. */
@media (min-width:1081px){
  .nav-links{gap:16px}
  .nav-links a,.nav-item > a{font-size:.87rem}
  .nav-cta{font-size:.72rem!important;letter-spacing:.1em;padding:8px 14px;margin-left:4px}
  .submenu a{font-size:.9rem}
}