:root{
  --navy:#0a2a5e;
  --navy-d:#071f47;
  --cyan:#1f8fd6;
  --cyan-l:#39b0f0;
  --yellow:#ffcb05;
  --ink:#16263f;
  --muted:#5b6b82;
  --bg:#ffffff;
  --bg-alt:#f3f7fc;
  --line:#e2e9f2;
  --radius:14px;
  --shadow:0 10px 30px rgba(10,42,94,.10);
  --max:1140px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Open Sans',system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-family:'Montserrat',sans-serif;line-height:1.2;color:var(--navy)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 22px}
.section{padding:84px 0}
.section-alt{background:var(--bg-alt)}
.eyebrow{display:inline-block;font-family:'Montserrat';font-weight:700;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--cyan);margin-bottom:12px}
.section-head{max-width:680px;margin:0 auto 54px;text-align:center}
.section-head h2{font-size:clamp(26px,4vw,40px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:17px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-family:'Montserrat';font-weight:700;font-size:15px;padding:14px 26px;border-radius:50px;border:2px solid transparent;cursor:pointer;transition:.2s;white-space:nowrap}
.btn-primary{background:var(--yellow);color:var(--navy)}
.btn-primary:hover{background:#ffd633;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost{border-color:#fff;color:#fff}
.btn-ghost:hover{background:#fff;color:var(--navy)}
.btn-sm{padding:9px 18px;font-size:14px;background:var(--cyan);color:#fff;border-radius:50px}
.btn-sm:hover{background:var(--cyan-l)}
.btn-block{width:100%}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;height:72px}
.brand-logo{height:46px;width:auto}
.nav-links{display:flex;align-items:center;gap:28px;list-style:none}
.nav-links a{font-family:'Montserrat';font-weight:600;font-size:15px;color:var(--ink);transition:.2s}
.nav-links a:hover{color:var(--cyan)}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:6px}
.nav-toggle span{width:26px;height:3px;background:var(--navy);border-radius:3px;transition:.3s}

/* Hero */
.hero{position:relative;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-d) 55%,#04356e 100%);color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:radial-gradient(circle at 80% 20%,rgba(31,143,214,.35),transparent 45%),radial-gradient(circle at 15% 90%,rgba(255,203,5,.14),transparent 40%)}
.hero-inner{position:relative;padding:96px 22px 88px;max-width:860px}
.hero-tag{font-family:'Montserrat';font-weight:700;letter-spacing:2px;text-transform:uppercase;font-size:13px;color:var(--yellow);margin-bottom:18px}
.hero h1{color:#fff;font-size:clamp(32px,5.5vw,56px);font-weight:900;margin-bottom:20px}
.hero-sub{font-size:19px;color:#cfe0f3;max-width:640px;margin-bottom:34px}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:54px}
.hero-stats{display:flex;flex-wrap:wrap;gap:40px}
.hero-stats div{display:flex;flex-direction:column}
.hero-stats strong{font-family:'Montserrat';font-size:30px;font-weight:900;color:var(--yellow)}
.hero-stats span{font-size:14px;color:#bcd0e8}

/* Grid + cards */
.grid{display:grid;gap:26px}
.services{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:34px 28px;transition:.25s}
.card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:transparent}
.card-icon{width:58px;height:58px;display:flex;align-items:center;justify-content:center;font-size:28px;background:linear-gradient(135deg,var(--cyan),var(--navy));border-radius:14px;margin-bottom:18px}
.card h3{font-size:19px;margin-bottom:10px}
.card p{color:var(--muted);font-size:15.5px}

/* About */
.about-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:50px;align-items:center}
.about-text h2{font-size:clamp(26px,4vw,38px);margin-bottom:18px}
.about-text p{color:var(--muted);margin-bottom:16px;font-size:16.5px}
.check-list{list-style:none;margin-top:22px;display:grid;gap:12px}
.check-list li{position:relative;padding-left:32px;font-weight:600;color:var(--ink)}
.check-list li::before{content:"✓";position:absolute;left:0;top:0;width:22px;height:22px;background:var(--cyan);color:#fff;border-radius:50%;font-size:13px;display:flex;align-items:center;justify-content:center}
.about-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:36px 32px;box-shadow:var(--shadow)}
.about-card h3{color:var(--yellow);margin-bottom:20px;font-size:20px}
.info-list{display:grid;gap:14px}
.info-list div{display:flex;flex-direction:column;border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:12px}
.info-list dt{font-size:12px;letter-spacing:1px;text-transform:uppercase;color:#9fc0e6}
.info-list dd{font-weight:600;font-size:15.5px}

/* Why */
.why{grid-template-columns:repeat(4,1fr)}
.why-item{padding:28px 22px;border-top:3px solid var(--yellow);background:var(--bg-alt);border-radius:0 0 var(--radius) var(--radius)}
.why-item strong{display:block;font-family:'Montserrat';font-size:18px;color:var(--navy);margin-bottom:10px}
.why-item p{color:var(--muted);font-size:15px}

/* Process steps */
.steps{grid-template-columns:repeat(4,1fr)}
.step{padding:30px 24px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;position:relative}
.step-num{font-family:'Montserrat';font-weight:900;font-size:34px;color:var(--cyan);opacity:.35;display:block;margin-bottom:8px}
.step strong{display:block;font-family:'Montserrat';font-size:18px;color:var(--navy);margin-bottom:8px}
.step p{color:var(--muted);font-size:15px}

/* Zones */
.zones-list{list-style:none;display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:760px;margin:0 auto}
.zones-list li{background:#fff;border:1px solid var(--line);border-radius:50px;padding:10px 20px;font-weight:600;font-size:15px;color:var(--navy)}
.zones-list li:last-child{background:var(--cyan);color:#fff;border-color:var(--cyan)}

/* FAQ */
.faq{max-width:780px;margin:0 auto;display:grid;gap:14px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:12px;padding:0 22px;transition:.2s}
.faq details[open]{border-color:var(--cyan);box-shadow:var(--shadow)}
.faq summary{font-family:'Montserrat';font-weight:600;font-size:16.5px;color:var(--navy);cursor:pointer;list-style:none;padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:14px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:24px;color:var(--cyan);font-weight:700;flex-shrink:0}
.faq details[open] summary::after{content:"\2212"}
.faq details p{color:var(--muted);padding:0 0 18px;font-size:15.5px}

/* CTA band */
.cta-band{background:linear-gradient(120deg,var(--cyan),var(--navy));color:#fff;padding:64px 0}
.cta-inner{text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(26px,4vw,38px);margin-bottom:12px}
.cta-inner p{color:#dcebfb;margin-bottom:28px;font-size:18px}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:start}
.contact-grid h2{font-size:clamp(26px,4vw,38px);margin:6px 0 16px}
.contact-grid>div>p{color:var(--muted);margin-bottom:24px}
.contact-list{list-style:none;display:grid;gap:16px}
.contact-list li{display:flex;align-items:center;gap:14px;font-size:16px}
.contact-list span{font-size:20px}
.contact-list a:hover{color:var(--cyan)}
.contact-form{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.form-row{margin-bottom:16px}
.contact-form label{font-family:'Montserrat';font-weight:600;font-size:14px;color:var(--navy);display:block}
.contact-form input,.contact-form textarea{width:100%;margin-top:6px;padding:12px 14px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:15px;background:var(--bg-alt)}
.contact-form input:focus,.contact-form textarea:focus{outline:none;border-color:var(--cyan);background:#fff}

/* Footer */
.site-footer{background:var(--navy-d);color:#c4d6ec;padding-top:56px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer-logo{height:44px;background:#fff;padding:8px 12px;border-radius:10px;margin-bottom:16px}
.footer-grid p{font-size:14.5px}
.site-footer h4{color:#fff;margin-bottom:16px;font-size:16px}
.site-footer ul{list-style:none;display:grid;gap:10px}
.site-footer ul a:hover,.site-footer li:hover{color:var(--cyan-l)}
.site-footer ul li{font-size:14.5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding:20px 0}
.footer-bottom p{font-size:13px;color:#8fa9c8;text-align:center}

@media(max-width:900px){
  .services,.why,.steps{grid-template-columns:repeat(2,1fr)}
  .about-grid,.contact-grid,.footer-grid{grid-template-columns:1fr}
}
@media(max-width:680px){
  .section{padding:60px 0}
  .nav-toggle{display:flex}
  .nav-links{position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;gap:0;padding:0 22px;max-height:0;overflow:hidden;border-bottom:1px solid var(--line);transition:max-height .3s}
  .nav-links.open{max-height:420px;padding:14px 22px}
  .nav-links li{width:100%;padding:8px 0}
  .services,.why,.steps{grid-template-columns:1fr}
  .hero-stats{gap:26px}
}