/* Tiki Sourcing — styles. Mobile-first. No build step. */
:root{
  --navy-900:#0b1a2c; --navy-800:#0f2238; --navy-700:#16304d; --navy-600:#1f3f63;
  --charcoal:#23272e; --charcoal-2:#3a4049; --slate:#5b6470; --line:#d9dee5; --mist:#f3f5f8; --white:#fff;
  --steel:#3d6d99; --steel-600:#335d84; --steel-300:#8fb3d6; --steel-100:#e6eef6;
  --danger:#b42318; --danger-bg:#fdecea; --success:#1f6f43; --success-bg:#e8f5ee;
  --radius:10px; --radius-sm:6px; --shadow:0 1px 2px rgba(11,26,44,.06),0 8px 24px rgba(11,26,44,.08);
  --font:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --max:1180px; --header-h:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--header-h) + 12px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;font-family:var(--font);font-size:1.0625rem;line-height:1.6;color:var(--charcoal);background:var(--white);padding-bottom:72px}
@media (min-width:900px){body{padding-bottom:0}}
img,svg{max-width:100%;display:block}
h1,h2,h3,h4{line-height:1.15;color:var(--navy-900);margin:0 0 .5em;font-weight:700;letter-spacing:-.01em}
h1{font-size:clamp(2.1rem,6vw,3.5rem)}
h2{font-size:clamp(1.6rem,4vw,2.4rem)}
h3{font-size:1.25rem}
p{margin:0 0 1em}
a{color:var(--steel-600);text-underline-offset:2px}
a:hover{color:var(--navy-700)}
:focus-visible{outline:3px solid var(--steel);outline-offset:2px;border-radius:4px}
.on-dark :focus-visible,.site-footer :focus-visible,.hero :focus-visible{outline-color:#fff}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
.skip-link{position:absolute;left:-999px;top:8px;background:var(--white);color:var(--navy-900);padding:10px 14px;border-radius:var(--radius-sm);z-index:100;font-weight:600}
.skip-link:focus{left:8px}
.visually-hidden{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;padding:0;margin:-1px}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--steel);margin-bottom:.75rem}
.on-dark .eyebrow{color:var(--steel-300)}
.lead{font-size:1.15rem;color:var(--charcoal-2);max-width:62ch}
.on-dark .lead{color:#d5deea}
.muted{color:var(--slate)}
.small{font-size:.9rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;min-height:48px;padding:.75rem 1.35rem;border-radius:var(--radius-sm);font:inherit;font-weight:600;font-size:1rem;letter-spacing:.01em;text-decoration:none;border:2px solid transparent;cursor:pointer;transition:background .15s,border-color .15s,color .15s,transform .15s}
.btn-primary{background:var(--steel);color:#fff}
.btn-primary:hover{background:var(--steel-600);color:#fff}
.btn-light{background:#fff;color:var(--navy-900)}
.btn-light:hover{background:var(--steel-100);color:var(--navy-900)}
.btn-outline{border-color:var(--navy-800);color:var(--navy-800);background:transparent}
.btn-outline:hover{background:var(--navy-800);color:#fff}
.btn-ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn-ghost-light:hover{background:rgba(255,255,255,.1);color:#fff;border-color:#fff}
.btn-block{width:100%}
.btn[disabled]{opacity:.7;cursor:progress}
.btn svg{width:18px;height:18px}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:var(--navy-900);color:#fff;border-bottom:1px solid rgba(255,255,255,.08)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--header-h);gap:16px}
.brand{display:flex;align-items:center;gap:10px;color:#fff;text-decoration:none;font-weight:700;font-size:1.15rem;letter-spacing:.02em}
.brand:hover{color:#fff}
.brand svg{width:34px;height:34px}
.brand small{display:block;font-weight:500;font-size:.68rem;letter-spacing:.18em;text-transform:uppercase;color:var(--steel-300);line-height:1}
.brand span{line-height:1.1}
.nav-toggle{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;background:transparent;border:1px solid rgba(255,255,255,.25);border-radius:var(--radius-sm);color:#fff;cursor:pointer}
.nav-toggle svg{width:22px;height:22px}
.site-nav{display:none;position:absolute;top:var(--header-h);left:0;right:0;background:var(--navy-900);border-bottom:1px solid rgba(255,255,255,.08);padding:8px 20px 20px}
.site-nav.open{display:block}
.site-nav ul{list-style:none;margin:0;padding:0}
.site-nav a{display:block;padding:14px 4px;color:#e7edf5;text-decoration:none;font-weight:500;border-bottom:1px solid rgba(255,255,255,.07)}
.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff}
.site-nav a[aria-current="page"]{box-shadow:inset 3px 0 0 var(--steel-300);padding-left:12px}
.site-nav .nav-cta{margin-top:14px}
.site-nav .nav-cta a{border:0;padding:0}
@media (min-width:900px){
  .nav-toggle{display:none}
  .site-nav{display:flex!important;position:static;padding:0;background:transparent;border:0;align-items:center;gap:8px}
  .site-nav ul{display:flex;gap:4px;align-items:center}
  .site-nav a{border:0;padding:10px 12px;border-radius:var(--radius-sm)}
  .site-nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--steel-300);border-radius:0;padding-left:12px}
  .site-nav .nav-cta{margin:0 0 0 10px}
  .site-nav .nav-cta .btn{min-height:42px;padding:.5rem 1rem}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--navy-800);color:#fff}
.hero::before{content:"";position:absolute;inset:0;background:
  radial-gradient(1200px 500px at 85% -10%,rgba(61,109,153,.45),transparent 60%),
  linear-gradient(180deg,var(--navy-800),var(--navy-900));}
.hero-pattern{position:absolute;right:-120px;bottom:-140px;width:620px;height:620px;opacity:.22;pointer-events:none}
@media (min-width:900px){.hero-pattern{right:-40px;bottom:-120px;width:700px;height:700px;opacity:.3}}
.hero .container{position:relative;padding-top:56px;padding-bottom:64px}
@media (min-width:900px){.hero .container{padding-top:96px;padding-bottom:104px}}
.hero h1{color:#fff;max-width:18ch}
.hero .lead{margin-bottom:1.75rem}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-actions .btn{flex:1 1 220px}
@media (min-width:600px){.hero-actions .btn{flex:0 0 auto}}
.hero-points{list-style:none;padding:0;margin:2rem 0 0;display:grid;gap:10px;color:#d5deea;font-size:.98rem}
@media (min-width:768px){.hero-points{grid-template-columns:repeat(3,auto);justify-content:start;gap:28px}}
.hero-points li{display:flex;gap:10px;align-items:flex-start}
.hero-points svg{flex:0 0 18px;width:18px;height:18px;margin-top:4px;color:var(--steel-300)}

.page-hero{background:var(--navy-800);color:#fff;position:relative;overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(900px 400px at 90% -20%,rgba(61,109,153,.4),transparent 60%)}
.page-hero .container{position:relative;padding-top:44px;padding-bottom:44px}
@media (min-width:900px){.page-hero .container{padding-top:72px;padding-bottom:64px}}
.page-hero h1{color:#fff;font-size:clamp(2rem,5vw,3rem)}

/* Sections */
.section{padding:56px 0}
@media (min-width:900px){.section{padding:88px 0}}
.section-alt{background:var(--mist)}
.section-dark{background:var(--navy-900);color:#d5deea}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{max-width:720px;margin-bottom:2rem}
.grid{display:grid;gap:20px}
@media (min-width:640px){.grid-2{grid-template-columns:repeat(2,1fr)}}
@media (min-width:900px){.grid-3{grid-template-columns:repeat(3,1fr)}.grid-2-lg{grid-template-columns:1fr 1fr;gap:48px}}
@media (min-width:640px) and (max-width:899px){.grid-3{grid-template-columns:repeat(2,1fr)}}

/* Cards */
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.card h3{margin-bottom:.4rem}
.card p{color:var(--charcoal-2)}
.card .card-link{margin-top:auto;font-weight:600;text-decoration:none;display:inline-flex;align-items:center;gap:6px;padding:6px 0}
.card .card-link:hover{text-decoration:underline}
.card-icon{width:56px;height:56px;margin-bottom:16px;color:var(--navy-700)}
.tag-row{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 14px;padding:0;list-style:none}
.tag{font-size:.8rem;font-weight:600;background:var(--steel-100);color:var(--navy-700);padding:3px 10px;border-radius:999px}

/* Steps */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:step}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,1fr);gap:24px}}
.step{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 24px 24px 76px}
.section-dark .step{background:var(--navy-800);border-color:rgba(255,255,255,.1)}
.step::before{counter-increment:step;content:counter(step);position:absolute;left:22px;top:22px;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:700;background:var(--steel);color:#fff}
.step h3{margin-bottom:.3rem}
.step p{margin:0}

/* Applications */
.app-list{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px}
.app-list li{background:var(--mist);border:1px solid var(--line);border-radius:var(--radius-sm);padding:14px 16px;font-weight:600;color:var(--navy-800);display:flex;align-items:center;gap:10px}
.app-list svg{width:20px;height:20px;color:var(--steel);flex:0 0 20px}

/* Notice */
.notice{border-left:4px solid var(--steel);background:var(--steel-100);padding:16px 18px;border-radius:var(--radius-sm);color:var(--charcoal);font-size:.97rem}
.notice strong{color:var(--navy-900)}
.notice p:last-child{margin:0}

/* Product detail */
.product{display:grid;gap:20px;padding:32px 0;border-top:1px solid var(--line)}
.product:first-of-type{border-top:0}
@media (min-width:900px){.product{grid-template-columns:120px 1fr 1fr;gap:36px;padding:48px 0}}
.product .card-icon{width:88px;height:88px;margin:0}
.spec-list{margin:0;padding-left:1.1rem}
.spec-list li{margin-bottom:.35rem}
.product h2{font-size:clamp(1.5rem,3.5vw,2rem)}
.product h3{font-size:1rem;text-transform:uppercase;letter-spacing:.08em;color:var(--slate);margin-top:.25rem}
.product-nav{display:flex;gap:8px;overflow-x:auto;padding:12px 0;margin:0;list-style:none;scrollbar-width:thin}
.product-nav a{white-space:nowrap;display:inline-block;padding:8px 14px;border:1px solid var(--line);border-radius:999px;text-decoration:none;color:var(--navy-800);font-weight:600;font-size:.92rem;background:#fff}
.product-nav a:hover{border-color:var(--steel)}
.subnav{position:sticky;top:var(--header-h);z-index:20;background:rgba(255,255,255,.96);border-bottom:1px solid var(--line);backdrop-filter:saturate(1.2) blur(6px)}

/* CTA band */
.cta-band{background:linear-gradient(135deg,var(--navy-700),var(--navy-900));color:#fff;border-radius:var(--radius);padding:32px 24px;display:grid;gap:18px;align-items:center}
@media (min-width:900px){.cta-band{grid-template-columns:1fr auto;padding:44px 48px}.grid-2-lg .cta-band{grid-template-columns:1fr;padding:36px}}
.cta-band h2{color:#fff;margin-bottom:.3rem}
.cta-band p{color:#d5deea;margin:0}
.cta-band .actions{display:flex;flex-wrap:wrap;gap:12px}

/* Forms */
.form-wrap{display:grid;gap:32px}
@media (min-width:1000px){.form-wrap{grid-template-columns:minmax(0,1fr) 340px;gap:48px;align-items:start}}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}
@media (min-width:768px){.form-card{padding:36px}}
fieldset{border:0;margin:0 0 28px;padding:0;min-width:0}
legend{font-weight:700;font-size:1.1rem;color:var(--navy-900);margin-bottom:14px;padding:0;display:flex;align-items:center;gap:10px}
legend .num{width:28px;height:28px;border-radius:50%;background:var(--navy-800);color:#fff;display:inline-grid;place-items:center;font-size:.85rem}
.field-grid{display:grid;gap:18px}
@media (min-width:640px){.field-grid.two{grid-template-columns:1fr 1fr}}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field .label{font-weight:600;color:var(--navy-900);font-size:.98rem}
.req{color:var(--danger);font-weight:700}
.opt{color:var(--slate);font-weight:500;font-size:.88rem}
.hint{font-size:.88rem;color:var(--slate);margin:0}
input[type=text],input[type=email],input[type=tel],input[type=number],select,textarea{width:100%;font:inherit;font-size:1rem;color:var(--charcoal);background:#fff;border:1.5px solid #aab3bf;border-radius:var(--radius-sm);padding:.7rem .8rem;min-height:48px;transition:border-color .15s,box-shadow .15s}
textarea{min-height:120px;resize:vertical}
select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%2316304d'%3E%3Cpath d='M5.3 7.3a1 1 0 0 1 1.4 0L10 10.6l3.3-3.3a1 1 0 1 1 1.4 1.4l-4 4a1 1 0 0 1-1.4 0l-4-4a1 1 0 0 1 0-1.4z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .7rem center;background-size:20px;padding-right:2.4rem}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--steel);box-shadow:0 0 0 3px rgba(61,109,153,.3)}
[aria-invalid="true"]{border-color:var(--danger)!important;background-color:#fffafa}
.error-msg{color:var(--danger);font-size:.9rem;font-weight:600;margin:0;display:flex;gap:6px;align-items:flex-start}
.error-msg:empty{display:none}
.qty-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.radio-group{display:flex;flex-wrap:wrap;gap:10px}
.radio-group label{display:flex;align-items:center;gap:8px;border:1.5px solid #aab3bf;border-radius:var(--radius-sm);padding:10px 14px;min-height:48px;cursor:pointer;font-weight:500;color:var(--charcoal)}
.radio-group input{width:18px;height:18px;accent-color:var(--steel);margin:0}
.radio-group label:has(input:checked){border-color:var(--steel);background:var(--steel-100);color:var(--navy-900)}
.radio-group label:has(input:focus-visible){outline:3px solid var(--steel);outline-offset:2px}
.radio-group.invalid label{border-color:var(--danger)}
.consent{display:flex;gap:12px;align-items:flex-start;font-size:.95rem}
.consent input{width:20px;height:20px;margin-top:3px;accent-color:var(--steel);flex:0 0 20px}
.hp{position:absolute!important;left:-10000px!important;top:auto;width:1px;height:1px;overflow:hidden}
.form-alert{border-radius:var(--radius-sm);padding:14px 16px;margin-bottom:20px;font-weight:500}
.form-alert[hidden]{display:none}
.form-alert.error{background:var(--danger-bg);color:#7a1810;border:1px solid #f3b8b1}
.form-alert ul{margin:.4rem 0 0;padding-left:1.2rem}
.form-alert a{color:#7a1810}
.success-panel{text-align:left;padding:8px 0}
.success-panel .check{width:56px;height:56px;border-radius:50%;background:var(--success-bg);color:var(--success);display:grid;place-items:center;margin-bottom:16px}
.success-panel .check svg{width:30px;height:30px}
.summary{background:var(--mist);border-radius:var(--radius-sm);padding:16px 18px;margin:18px 0;font-size:.95rem}
.summary dl{display:grid;grid-template-columns:auto 1fr;gap:6px 16px;margin:0}
.summary dt{font-weight:600;color:var(--navy-900)}
.summary dd{margin:0;word-break:break-word}
.aside-card{background:var(--navy-900);color:#d5deea;border-radius:var(--radius);padding:26px}
.aside-card h2,.aside-card h3{color:#fff;font-size:1.2rem}
.aside-card ul{padding-left:1.1rem;margin:0 0 1rem}
.aside-card a{color:#fff}
.aside-card .divider{border:0;border-top:1px solid rgba(255,255,255,.12);margin:18px 0}

/* Contact */
.contact-list{list-style:none;margin:0;padding:0;display:grid;gap:14px}
.contact-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px}
.contact-list svg{width:24px;height:24px;color:var(--steel);flex:0 0 24px;margin-top:3px}
.contact-list .k{display:block;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;color:var(--slate);font-weight:600}
.contact-list .v{font-weight:600;color:var(--navy-900);font-size:1.08rem;word-break:break-word}
.placeholder-note{display:inline-block;background:#fff4d6;color:#6b4a00;border:1px dashed #c89b2c;border-radius:4px;padding:1px 8px;font-size:.85rem;font-weight:600}

/* Footer */
.site-footer{background:var(--navy-900);color:#b8c4d3;padding:48px 0 28px;font-size:.95rem}
.footer-grid{display:grid;gap:28px}
@media (min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
.site-footer h2{color:#fff;font-size:.85rem;letter-spacing:.14em;text-transform:uppercase;margin-bottom:12px}
.site-footer ul{list-style:none;padding:0;margin:0}
.site-footer li{margin-bottom:8px}
.site-footer a{color:#e7edf5;text-decoration:none}
.site-footer a:hover{text-decoration:underline;color:#fff}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:32px;padding-top:20px;font-size:.85rem;color:#9fb0c3}
.footer-bottom p{margin:0 0 6px}

/* Mobile sticky CTA */
.mobile-cta{position:fixed;left:0;right:0;bottom:0;z-index:60;display:flex;gap:10px;padding:10px 14px calc(10px + env(safe-area-inset-bottom));background:rgba(11,26,44,.97);border-top:1px solid rgba(255,255,255,.12)}
.mobile-cta .btn{flex:1;min-height:50px}
.mobile-cta .btn-icon{flex:0 0 56px;padding:0}
@media (min-width:900px){.mobile-cta{display:none}}

.prose{max-width:70ch}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2rem}
.checklist{list-style:none;padding:0;margin:0 0 1rem}
.checklist li{position:relative;padding-left:30px;margin-bottom:.6rem}
.checklist li::before{content:"";position:absolute;left:0;top:.45em;width:18px;height:18px;border-radius:50%;background:var(--steel-100) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%233d6d99'%3E%3Cpath d='M8.1 13.6 4.5 10l1.4-1.4 2.2 2.2 6-6 1.4 1.4z'/%3E%3C/svg%3E") center/14px no-repeat}
.section-dark .checklist li::before{background-color:rgba(143,179,214,.18)}
.field label.consent{font-weight:400;color:var(--charcoal)}
.field-grid.two{align-items:start}
.form-alert,.success-panel{scroll-margin-top:calc(var(--header-h) + 16px)}

/* ---------- Representative photography (licensed; see credits.html) ---------- */
.hero-photo{background:var(--navy-900)}
.hero-photo::before{display:none}
.hero-media{position:absolute;inset:0;z-index:0;pointer-events:none}
.hero-media picture,.hero-media img{width:100%;height:100%}
.hero-media img{object-fit:cover;object-position:70% 60%}
/* Navy overlay keeps hero text at WCAG AA+ contrast over any part of the photo */
.hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,26,44,.86),rgba(11,26,44,.9))}
@media (min-width:900px){.hero-media::after{background:linear-gradient(90deg,rgba(11,26,44,.93) 0%,rgba(11,26,44,.86) 45%,rgba(15,34,56,.66) 100%)}}
.hero-photo .container{z-index:1}
.photo-note{font-size:.78rem;line-height:1.4;color:var(--slate);margin:0}
.photo-note a{color:inherit}
.photo-note-hero{margin-top:28px;color:#b8c4d3}
.photo-note-hero a{color:#d5deea}
@media (min-width:900px){.photo-note-hero{position:absolute;right:32px;bottom:16px;margin:0;text-align:right;background:rgba(11,26,44,.85);padding:4px 10px;border-radius:4px;color:#c9d3df}}
.photo-note-page{padding:8px 0 40px;border-top:1px solid var(--line);padding-top:16px}
.product-media{min-width:0}
.product-photo{margin:0}
.product-photo img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius);border:1px solid var(--line);background:var(--steel-100)}
.product-photo figcaption{font-size:.78rem;color:var(--slate);margin-top:6px;line-height:1.35}
@media (max-width:899px){.product-photo{max-width:520px}}
@media (min-width:900px){.product{grid-template-columns:260px 1fr 1fr}}
.credit-list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:18px}
.credit-list li{border:1px solid var(--line);border-radius:var(--radius-sm);padding:16px 18px;background:var(--mist)}
/* Mobile: keep the disclosure, move credit links to the footer */
.footer-credits{margin-top:4px}
@media (min-width:900px){.footer-credits{display:none}}
@media (max-width:899px){.desktop-only{display:none!important}}
.credit-list h2.credit-where{font-size:1.1rem;margin:0 0 .4rem}
.credit-list p{margin:0 0 .5rem}