@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@400;500;600;700&family=Source+Sans+3:wght@400;500;600;700&family=IBM+Plex+Mono:wght@500&display=swap');

:root{
  --navy-950:#081a33;
  --navy-900:#0d2c52;
  --navy-800:#123863;
  --navy-700:#1c4c82;
  --gold-500:#cf9a1e;
  --gold-400:#e3b445;
  --sand-50:#f6f4ee;
  --sand-100:#efece2;
  --ink-900:#181d24;
  --ink-600:#4a525d;
  --steel-200:#dde2e6;
  --steel-100:#eceff1;
  --white:#ffffff;

  --font-display:'Oswald', sans-serif;
  --font-body:'Source Sans 3', sans-serif;
  --font-mono:'IBM Plex Mono', monospace;

  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-body);
  color:var(--ink-900);
  background:var(--sand-50);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:0.02em;
  margin:0 0 .5em;
  color:var(--navy-900);
  line-height:1.1;
}
p{margin:0 0 1em;}
.container{max-width:var(--container);margin:0 auto;padding:0 28px;}
.eyebrow{
  font-family:var(--font-mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-500);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{content:'';width:28px;height:2px;background:var(--gold-500);display:inline-block;}

/* Skip link */
.skip-link{
  position:absolute;left:-9999px;top:0;background:var(--navy-900);color:#fff;padding:10px 16px;z-index:200;
}
.skip-link:focus{left:12px;top:12px;}

:focus-visible{outline:3px solid var(--gold-400);outline-offset:2px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--steel-200);
}
.site-header .container{
  display:flex;align-items:center;justify-content:space-between;
  padding-top:10px;padding-bottom:10px;
}
.brand{display:flex;align-items:center;gap:12px;}
.brand img{height:46px;width:auto;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-family:var(--font-display);
  font-size:.92rem;
  letter-spacing:.05em;
  text-transform:uppercase;
  color:var(--navy-900);
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:border-color .15s ease, color .15s ease;
}
.main-nav a:hover,.main-nav a[aria-current="page"]{
  border-color:var(--gold-500);
}
.nav-phone{
  font-family:var(--font-mono);
  font-size:.85rem;
  color:var(--navy-800);
  border-bottom:none !important;
  white-space:nowrap;
}
.nav-phone:hover{color:var(--gold-500);}
.nav-cta{
  background:var(--navy-900);
  color:#fff !important;
  padding:10px 20px !important;
  border-radius:2px;
  border-bottom:none !important;
}
.nav-cta:hover{background:var(--gold-500);color:var(--navy-950) !important;}

.nav-toggle{display:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  color:#fff;
  overflow:hidden;
  background:var(--navy-950);
}
.hero-media{
  position:absolute;inset:0;
}
.hero-media img{
  width:100%;height:100%;object-fit:cover;
  opacity:.55;
}
.hero-media::after{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(100deg, rgba(8,26,51,.97) 30%, rgba(8,26,51,.55) 62%, rgba(8,26,51,.15) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  padding:120px 0 150px;
  max-width:720px;
}
.hero-inner .eyebrow{color:var(--gold-400);}
.hero-inner h1{
  color:#fff;
  font-size:clamp(2.4rem,5vw,3.6rem);
  margin-bottom:.4em;
}
.hero-inner .lede{
  font-size:1.15rem;
  color:#dce4ee;
  max-width:52ch;
  margin-bottom:2em;
}
.hero-cta-row{display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  font-family:var(--font-display);
  text-transform:uppercase;
  letter-spacing:.05em;
  font-size:.92rem;
  padding:14px 28px;
  border-radius:2px;
  display:inline-block;
  border:1px solid transparent;
  transition:transform .15s ease, background .15s ease, color .15s ease;
}
.btn-primary{background:var(--gold-500);color:var(--navy-950);}
.btn-primary:hover{background:var(--gold-400);transform:translateY(-2px);}
.btn-ghost{border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px);}
.btn-dark{background:var(--navy-900);color:#fff;}
.btn-dark:hover{background:var(--navy-700);transform:translateY(-2px);}

.hero-diagonal{
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:64px;
  background:var(--sand-50);
  clip-path:polygon(0 100%, 100% 40%, 100% 100%);
}

/* ---------- Stat strip ---------- */
.stat-strip{
  background:var(--navy-900);
  color:#fff;
}
.stat-strip .container{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
}
.stat{
  padding:26px 20px;
  border-left:1px solid rgba(255,255,255,.12);
  text-align:center;
}
.stat:first-child{border-left:none;}
.stat b{
  display:block;font-family:var(--font-display);
  font-size:1.9rem;color:var(--gold-400);
}
.stat span{font-size:.82rem;color:#c6d1de;letter-spacing:.03em;}

/* ---------- Sections ---------- */
section{padding:90px 0;}
.section-tight{padding:70px 0;}
.section-head{max-width:640px;margin-bottom:56px;}
.section-head p{color:var(--ink-600);font-size:1.05rem;}
.bg-navy{background:var(--navy-900);color:#fff;}
.bg-navy h2, .bg-navy h3{color:#fff;}
.bg-sand-alt{background:var(--sand-100);}

/* About split */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
}
.split-media{position:relative;}
.split-media img{border-radius:2px;}
.split-media .frame-tag{
  position:absolute;bottom:-18px;left:-18px;
  background:var(--gold-500);
  color:var(--navy-950);
  font-family:var(--font-display);
  font-size:.85rem;
  letter-spacing:.04em;
  text-transform:uppercase;
  padding:12px 18px;
}
.pillars{
  list-style:none;margin:1.6em 0 0;padding:0;
  display:grid;grid-template-columns:1fr 1fr;gap:14px 24px;
}
.pillars li{
  font-family:var(--font-display);
  font-size:.92rem;letter-spacing:.03em;text-transform:uppercase;
  padding-left:22px;position:relative;color:var(--navy-800);
}
.pillars li::before{
  content:'';position:absolute;left:0;top:.45em;
  width:9px;height:9px;background:var(--gold-500);
}

/* Product grid */
.product-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:22px;
}
.product-card{
  background:#fff;
  border:1px solid var(--steel-200);
  display:flex;flex-direction:column;
  transition:box-shadow .15s ease, transform .15s ease;
  position:relative;
}
.product-card:hover{box-shadow:0 14px 30px rgba(10,30,60,.12);transform:translateY(-3px);}
.product-card .tag{
  position:absolute;top:0;left:0;
  background:var(--navy-900);color:var(--gold-400);
  font-family:var(--font-mono);font-size:.72rem;
  padding:5px 10px;z-index:2;
}
.product-card .thumb{
  height:170px;overflow:hidden;background:var(--steel-100);
}
.product-card .thumb img{width:100%;height:100%;object-fit:cover;}
.product-card .body{padding:20px 20px 22px;flex:1;display:flex;flex-direction:column;}
.product-card h3{font-size:1.05rem;margin-bottom:.3em;}
.product-card .use{font-size:.86rem;color:var(--ink-600);margin-bottom:.9em;}
.chip-row{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;}
.chip{
  font-size:.72rem;
  background:var(--sand-100);
  border:1px solid var(--steel-200);
  padding:4px 9px;
  color:var(--navy-800);
  font-family:var(--font-mono);
}

/* full product page detail rows */
.product-detail{
  display:grid;grid-template-columns:.9fr 1.1fr;gap:48px;
  padding:56px 0;border-bottom:1px solid var(--steel-200);
  align-items:start;
}
.product-detail:last-child{border-bottom:none;}
.product-detail .thumb{border:1px solid var(--steel-200);}
.product-detail .num{
  font-family:var(--font-mono);color:var(--gold-500);font-size:.85rem;letter-spacing:.1em;
}
.check-list{list-style:none;margin:1.2em 0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px;}
.check-list li{padding-left:20px;position:relative;font-size:.94rem;}
.check-list li::before{content:'✓';position:absolute;left:0;color:var(--gold-500);font-weight:700;}
.tech-box{
  background:var(--sand-100);border-left:3px solid var(--gold-500);
  padding:16px 18px;font-size:.9rem;color:var(--ink-600);margin-top:1em;
}
.tech-box strong{display:block;color:var(--navy-900);font-family:var(--font-display);text-transform:uppercase;font-size:.82rem;letter-spacing:.04em;margin-bottom:.4em;}

/* Why choose grid */
.feature-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:1px;
  background:var(--steel-200);
  border:1px solid var(--steel-200);
}
.feature{
  background:#fff;padding:32px 26px;
}
.feature .n{font-family:var(--font-mono);color:var(--gold-500);font-size:.78rem;}
.feature h3{font-size:1rem;margin:.5em 0 .3em;}
.feature p{font-size:.88rem;color:var(--ink-600);margin:0;}

/* Standards table */
.table-wrap{overflow-x:auto;border:1px solid var(--steel-200);}
table.standards{width:100%;border-collapse:collapse;font-size:.92rem;}
table.standards th{
  text-align:left;background:var(--navy-900);color:#fff;
  font-family:var(--font-display);text-transform:uppercase;letter-spacing:.03em;
  font-size:.82rem;padding:12px 16px;
}
table.standards td{padding:12px 16px;border-top:1px solid var(--steel-200);}
table.standards tr:nth-child(even) td{background:var(--sand-100);}

/* CTA band */
.cta-band{
  background:var(--navy-900);color:#fff;
  position:relative;overflow:hidden;
}
.cta-band .container{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  padding:60px 28px;
}
.cta-band h2{color:#fff;margin-bottom:.2em;}
.cta-band p{color:#c6d1de;margin:0;}

/* Footer */
.site-footer{background:var(--navy-950);color:#c6d1de;padding:56px 0 26px;font-size:.92rem;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;margin-bottom:40px;}
.footer-grid h4{color:#fff;font-size:.9rem;margin-bottom:.9em;}
.footer-grid ul{list-style:none;margin:0;padding:0;}
.footer-grid li{margin-bottom:.6em;}
.footer-grid a:hover{color:var(--gold-400);}
.footer-brand img{height:40px;margin-bottom:14px;background:#fff;padding:6px 10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:.8rem;color:#8ea0b5;
}

/* Contact page */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;}
.contact-card{background:#fff;border:1px solid var(--steel-200);padding:32px;margin-bottom:20px;}
.contact-card h3{font-size:1rem;}
.contact-card .row{display:flex;gap:14px;margin-bottom:16px;}
.contact-card .row:last-child{margin-bottom:0;}
.contact-card .ico{
  width:38px;height:38px;flex:none;background:var(--navy-900);color:var(--gold-400);
  display:flex;align-items:center;justify-content:center;font-family:var(--font-mono);font-size:.8rem;
}
.form-field{margin-bottom:18px;}
.form-field label{display:block;font-family:var(--font-display);text-transform:uppercase;font-size:.82rem;letter-spacing:.04em;margin-bottom:.4em;color:var(--navy-900);}
.form-field input,.form-field select,.form-field textarea{
  width:100%;padding:12px 14px;border:1px solid var(--steel-200);background:#fff;font-family:var(--font-body);font-size:.95rem;
}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--gold-500);}
.map-frame{border:1px solid var(--steel-200);height:280px;width:100%;}

/* Page hero (inner pages) */
.page-hero{
  background:var(--navy-900);color:#fff;padding:76px 0 60px;position:relative;
}
.page-hero .eyebrow{color:var(--gold-400);}
.page-hero h1{color:#fff;margin-bottom:.3em;font-size:clamp(2rem,4vw,2.8rem);}
.page-hero p{color:#c6d1de;max-width:60ch;}

/* Responsive */
@media (max-width:960px){
  .product-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .stat-strip .container{grid-template-columns:repeat(2,1fr);}
  .stat{border-left:none;border-top:1px solid rgba(255,255,255,.12);}
  .stat:nth-child(1),.stat:nth-child(2){border-top:none;}
  .product-detail{grid-template-columns:1fr;}
  .check-list{grid-template-columns:1fr;}
  .contact-grid{grid-template-columns:1fr;}
}
@media (max-width:720px){
  .main-nav{
    position:fixed;top:66px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:flex-start;
    padding:24px 28px;gap:6px;
    transform:translateX(100%);
    transition:transform .2s ease;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{width:100%;padding:14px 0;border-bottom:1px solid var(--steel-200);}
  .nav-toggle{
    display:block;background:none;border:none;cursor:pointer;
    font-family:var(--font-display);text-transform:uppercase;font-size:.85rem;color:var(--navy-900);
  }
  .product-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
}