/* Omnitrace Design System
   Primary: Royal Navy Blue, Silver, Grey, White */
:root{
  --navy:#0a1a3f;
  --navy-deep:#06112a;
  --royal:#1a3aa8;
  --royal-glow:#2e5bd6;
  --silver:#c9ced6;
  --silver-light:#eef1f5;
  --grey:#5b6473;
  --grey-light:#8a93a3;
  --white:#ffffff;
  --bg:#ffffff;
  --text:#0a1a3f;
  --muted:#5b6473;
  --shadow-sm:0 2px 6px rgba(10,26,63,.06);
  --shadow-md:0 10px 30px rgba(10,26,63,.10);
  --shadow-lg:0 24px 60px rgba(10,26,63,.18);
  --gradient:linear-gradient(135deg,var(--navy) 0%,var(--royal) 100%);
  --gradient-soft:linear-gradient(135deg,#f6f8fc 0%,#eaf0fb 100%);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;font-weight:700;color:var(--navy);line-height:1.15;letter-spacing:-.01em}
h1{font-size:clamp(2.2rem,5vw,3.6rem)}
h2{font-size:clamp(1.7rem,3.5vw,2.6rem);margin-bottom:.6em}
h3{font-size:1.3rem;margin-bottom:.5em}
p{color:var(--muted);margin-bottom:1em}
a{color:var(--royal);text-decoration:none;transition:.2s}
a:hover{color:var(--navy)}
img{max-width:100%;height:auto;display:block}
.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-bottom:1px solid var(--silver-light)}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.5rem}
.brand-logo{height:40px;width:auto}
.main-nav{display:flex;gap:1.6rem;align-items:center}
.main-nav a{color:var(--navy);font-weight:500;font-size:.95rem}
.main-nav a:hover{color:var(--royal)}
.nav-cta{background:var(--gradient);color:#fff!important;padding:.6rem 1.2rem;border-radius:8px;box-shadow:var(--shadow-sm)}
.nav-cta:hover{color:#fff!important;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.nav-toggle{display:none;background:none;border:0;flex-direction:column;gap:5px;cursor:pointer;padding:8px}
.nav-toggle span{width:24px;height:2px;background:var(--navy);display:block}
@media(max-width:860px){
  .nav-toggle{display:flex}
  .main-nav{position:absolute;top:100%;left:0;right:0;background:#fff;flex-direction:column;padding:1rem 1.5rem;gap:1rem;border-bottom:1px solid var(--silver-light);display:none}
  .main-nav.open{display:flex}
}

/* Hero */
.hero{position:relative;overflow:hidden;background:var(--gradient-soft);padding:5rem 0 4rem}
.hero-canvas{position:absolute;inset:0;opacity:.55;pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:1.05fr 1fr;gap:3rem;align-items:center;z-index:1}
.hero-eyebrow{display:inline-block;background:#fff;border:1px solid var(--silver);color:var(--royal);padding:.4rem .9rem;border-radius:999px;font-size:.78rem;font-weight:600;letter-spacing:.08em;text-transform:uppercase;margin-bottom:1rem;box-shadow:var(--shadow-sm)}
.hero h1 span{background:var(--gradient);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero p.lead{font-size:1.15rem;color:var(--grey);max-width:560px;margin:1.2rem 0 2rem}
.hero-img{border-radius:18px;overflow:hidden;box-shadow:var(--shadow-lg);border:1px solid var(--silver-light)}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr}}

/* Buttons */
.btn{display:inline-block;padding:.95rem 1.6rem;border-radius:10px;font-weight:600;font-size:.97rem;border:0;cursor:pointer;transition:.2s;text-align:center}
.btn-primary{background:var(--gradient);color:#fff;box-shadow:var(--shadow-md)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);color:#fff}
.btn-outline{background:#fff;color:var(--navy);border:1.5px solid var(--silver)}
.btn-outline:hover{border-color:var(--royal);color:var(--royal)}
.btn-row{display:flex;gap:1rem;flex-wrap:wrap}

/* Sections */
section{padding:4.5rem 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 3rem}
.section-head .eyebrow{color:var(--royal);font-weight:700;font-size:.8rem;letter-spacing:.14em;text-transform:uppercase;display:block;margin-bottom:.6rem}

/* Service cards */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:1.4rem}
.service-card{background:#fff;border:1px solid var(--silver-light);border-radius:16px;padding:1.8rem;transition:.25s;position:relative;overflow:hidden}
.service-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gradient);transform:scaleX(0);transform-origin:left;transition:.3s}
.service-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:var(--silver)}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{width:52px;height:52px;border-radius:12px;background:var(--gradient-soft);display:flex;align-items:center;justify-content:center;margin-bottom:1.1rem;color:var(--royal)}
.service-icon svg{width:28px;height:28px}

/* Features split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
.split img{border-radius:16px;box-shadow:var(--shadow-md)}
.split.reverse{direction:rtl}.split.reverse > *{direction:ltr}
@media(max-width:860px){.split,.split.reverse{grid-template-columns:1fr;direction:ltr}}

/* Stats */
.stats{background:var(--gradient);color:#fff;padding:3rem 0;border-radius:20px;margin:2rem 0}
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:2rem;text-align:center}
.stat-num{font-family:'Space Grotesk';font-size:2.6rem;font-weight:700;color:#fff}
.stat-label{color:rgba(255,255,255,.78);font-size:.9rem;text-transform:uppercase;letter-spacing:.1em}

/* Form */
.form-card{background:#fff;border:1px solid var(--silver-light);border-radius:18px;padding:2.2rem;box-shadow:var(--shadow-md);max-width:720px;margin:0 auto}
.field{margin-bottom:1.1rem}
.field label{display:block;font-weight:600;font-size:.9rem;color:var(--navy);margin-bottom:.4rem}
.field input,.field textarea,.field select{width:100%;padding:.85rem 1rem;border:1.5px solid var(--silver-light);border-radius:10px;font-family:inherit;font-size:.97rem;background:#fbfcfe;color:var(--text);transition:.2s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--royal);background:#fff;box-shadow:0 0 0 4px rgba(46,91,214,.12)}
.field textarea{min-height:140px;resize:vertical}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:600px){.field-row{grid-template-columns:1fr}}
.alert{padding:1rem 1.2rem;border-radius:10px;margin-bottom:1.2rem;font-weight:500}
.alert-success{background:#e8f7ee;color:#0f5132;border:1px solid #b8e1c6}
.alert-error{background:#fdecea;color:#842029;border:1px solid #f1bcb7}

/* Legal pages */
.legal-page{padding:3.5rem 0}
.legal-page .container{max-width:860px}
.legal-page h2{margin-top:2rem;font-size:1.4rem;color:var(--navy)}
.legal-page p,.legal-page li{color:var(--grey)}
.legal-page ul{margin:.5rem 0 1rem 1.4rem}

/* Page header */
.page-header{background:var(--gradient);color:#fff;padding:4rem 0 3rem;text-align:center;position:relative;overflow:hidden}
.page-header h1{color:#fff;margin-bottom:.6rem}
.page-header p{color:rgba(255,255,255,.85);max-width:680px;margin:0 auto}
.page-header canvas{position:absolute;inset:0;opacity:.35}

/* Footer */
.site-footer{background:var(--navy-deep);color:#cdd5e3;padding:3.5rem 0 1.5rem;margin-top:4rem}
.site-footer h4{color:#fff;font-size:1rem;margin-bottom:1rem}
.site-footer ul{list-style:none}
.site-footer li{margin-bottom:.5rem}
.site-footer a{color:#a8b2c4;font-size:.92rem}
.site-footer a:hover{color:#fff}
.site-footer p{color:#a8b2c4;font-size:.92rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr 1fr;gap:2rem}
@media(max-width:860px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.footer-grid{grid-template-columns:1fr}}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:2.5rem;padding-top:1.5rem;text-align:center}
.footer-bottom p{color:#7a8499;font-size:.85rem}

/* Animations - opt-in via JS to avoid hidden content if JS disabled */
@keyframes fadeUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.js-anim .reveal{opacity:0}
.js-anim .reveal.in{animation:fadeUp .7s ease both}
.fade-up{animation:fadeUp .7s ease both}